<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fec0d-8ecd-7aa9-9d50-5faaac7797cb,g:867aabf6-fe08-4015-9cd6-be00ea047251-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.shpreit.com/role/Coverpage" xlink:type="simple" xlink:href="inn-20260930.xsd#Coverpage"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/Coverpage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_019fec0d-90a0-7a03-989e-9b799bf5ccda" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntitiesTable_019fec0d-90a0-7a03-989e-9b799bf5ccda" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-73d5-9fda-80508070950c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_019fec0d-90a0-7a03-989e-9b799bf5ccda" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-73d5-9fda-80508070950c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-73d5-9fda-80508070950c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-73d5-9fda-80508070950c" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-73d5-9fda-80508070950c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7dcf-a53b-1931fe38e6f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-73d5-9fda-80508070950c" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7dcf-a53b-1931fe38e6f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fec0d-90a0-750b-93f0-f28c4a63c7ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7dcf-a53b-1931fe38e6f3" xlink:to="loc_us-gaap_CommonStockMember_019fec0d-90a0-750b-93f0-f28c4a63c7ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-77be-a399-d78430df8f69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7dcf-a53b-1931fe38e6f3" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-77be-a399-d78430df8f69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7ff8-8db7-3fe0d4568407" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesFPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7dcf-a53b-1931fe38e6f3" xlink:to="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7ff8-8db7-3fe0d4568407" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019fec0d-90a0-7b25-8eb5-8131315d4901" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_DocumentType_019fec0d-90a0-7b25-8eb5-8131315d4901" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_019fec0d-90a0-7e1b-82d3-369ca665c258" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_DocumentQuarterlyReport_019fec0d-90a0-7e1b-82d3-369ca665c258" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019fec0d-90a0-7871-a68c-0b643304d574" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_DocumentPeriodEndDate_019fec0d-90a0-7871-a68c-0b643304d574" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_019fec0d-90a0-7cce-9079-299d528248b1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_DocumentTransitionReport_019fec0d-90a0-7cce-9079-299d528248b1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019fec0d-90a0-74e0-b977-0f4e381c86a8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityFileNumber_019fec0d-90a0-74e0-b977-0f4e381c86a8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019fec0d-90a0-7305-a0f8-52ad0b56a286" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityRegistrantName_019fec0d-90a0-7305-a0f8-52ad0b56a286" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019fec0d-90a0-775f-9340-6e91ee1dfabc" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019fec0d-90a0-775f-9340-6e91ee1dfabc" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019fec0d-90a0-72c7-8595-8acabfbd375c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityTaxIdentificationNumber_019fec0d-90a0-72c7-8595-8acabfbd375c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019fec0d-90a0-7849-a268-7be4899367fd" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityAddressAddressLine1_019fec0d-90a0-7849-a268-7be4899367fd" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019fec0d-90a0-7345-b667-5041873e5aff" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityAddressAddressLine2_019fec0d-90a0-7345-b667-5041873e5aff" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019fec0d-90a0-721c-b379-f695165a6e5c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityAddressCityOrTown_019fec0d-90a0-721c-b379-f695165a6e5c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019fec0d-90a0-7944-9dd6-144dccc1eb7d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityAddressStateOrProvince_019fec0d-90a0-7944-9dd6-144dccc1eb7d" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019fec0d-90a0-7756-a118-26eea55a4227" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityAddressPostalZipCode_019fec0d-90a0-7756-a118-26eea55a4227" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019fec0d-90a0-725b-953e-69d0839b24e6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_CityAreaCode_019fec0d-90a0-725b-953e-69d0839b24e6" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019fec0d-90a0-7f27-b4fe-7b3d39e221a0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_LocalPhoneNumber_019fec0d-90a0-7f27-b4fe-7b3d39e221a0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019fec0d-90a0-704b-acf4-1b4273d82dbd" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_Security12bTitle_019fec0d-90a0-704b-acf4-1b4273d82dbd" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019fec0d-90a0-70c4-8202-c08ceee82081" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_TradingSymbol_019fec0d-90a0-70c4-8202-c08ceee82081" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019fec0d-90a0-7948-94b6-83c6cb7aa994" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_SecurityExchangeName_019fec0d-90a0-7948-94b6-83c6cb7aa994" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_019fec0d-90a0-7dc5-94a1-039b6ab6de7d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityCurrentReportingStatus_019fec0d-90a0-7dc5-94a1-039b6ab6de7d" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_019fec0d-90a0-7a19-ab17-a3f912ae9f12" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityInteractiveDataCurrent_019fec0d-90a0-7a19-ab17-a3f912ae9f12" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_019fec0d-90a0-7a72-8428-5031bb362df0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityFilerCategory_019fec0d-90a0-7a72-8428-5031bb362df0" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_019fec0d-90a0-7101-9370-690260b8115e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntitySmallBusiness_019fec0d-90a0-7101-9370-690260b8115e" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019fec0d-90a0-7701-a261-48e54b0b725b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityEmergingGrowthCompany_019fec0d-90a0-7701-a261-48e54b0b725b" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_019fec0d-90a0-7cd7-aa27-e43ed731e1da" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityShellCompany_019fec0d-90a0-7cd7-aa27-e43ed731e1da" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_019fec0d-90a0-7a4f-a25a-f2e87879047d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_019fec0d-90a0-7a4f-a25a-f2e87879047d" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019fec0d-90a0-7158-8684-d8600a241554" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_EntityCentralIndexKey_019fec0d-90a0-7158-8684-d8600a241554" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_019fec0d-90a0-740b-83c3-db7f15edff99" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_CurrentFiscalYearEndDate_019fec0d-90a0-740b-83c3-db7f15edff99" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_019fec0d-90a0-79f7-91ab-8802601f2e6b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_DocumentFiscalYearFocus_019fec0d-90a0-79f7-91ab-8802601f2e6b" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_019fec0d-90a0-7ca5-90ef-03a37c72c868" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_DocumentFiscalPeriodFocus_019fec0d-90a0-7ca5-90ef-03a37c72c868" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019fec0d-90a0-7569-9fcc-6e99f13ddd24" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fec0d-90a0-7bed-b574-7f8feb48d30a" xlink:to="loc_dei_AmendmentFlag_019fec0d-90a0-7569-9fcc-6e99f13ddd24" xlink:type="arc" order="29"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="inn-20260930.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fec0d-90a0-73af-a06c-452a08e6af65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fec0d-90a0-7223-aae7-fe478d54e192" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73af-a06c-452a08e6af65" xlink:to="loc_us-gaap_StatementTable_019fec0d-90a0-7223-aae7-fe478d54e192" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-75f5-88a2-73933961439a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fec0d-90a0-7223-aae7-fe478d54e192" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-75f5-88a2-73933961439a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-75f5-88a2-73933961439a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-75f5-88a2-73933961439a" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-75f5-88a2-73933961439a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-757b-93df-fd1027e91847" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-75f5-88a2-73933961439a" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-757b-93df-fd1027e91847" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-73ba-80d7-a0eab61337e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-757b-93df-fd1027e91847" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-73ba-80d7-a0eab61337e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7f56-b754-269e2eedff4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesFPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-757b-93df-fd1027e91847" xlink:to="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7f56-b754-269e2eedff4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73af-a06c-452a08e6af65" xlink:to="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LodgingPropertyInvestmentNetExcludingUndevelopedLand_019fec0d-90a0-7c73-a100-ab4ef4e5d152" xlink:href="inn-20260930.xsd#inn_LodgingPropertyInvestmentNetExcludingUndevelopedLand"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_inn_LodgingPropertyInvestmentNetExcludingUndevelopedLand_019fec0d-90a0-7c73-a100-ab4ef4e5d152" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019fec0d-90a0-75d8-860c-626957248a1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019fec0d-90a0-75d8-860c-626957248a1d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fec0d-90a0-7919-8212-f5f7aa27477a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fec0d-90a0-7919-8212-f5f7aa27477a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_019fec0d-90a0-7143-bee4-7886d1b0be19" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_019fec0d-90a0-7143-bee4-7886d1b0be19" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019fec0d-90a0-7826-8776-aa976ac50fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019fec0d-90a0-7826-8776-aa976ac50fcf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_019fec0d-90a0-73b3-8de2-8356d3274bc4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_AccountsReceivableNet_019fec0d-90a0-73b3-8de2-8356d3274bc4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssets_019fec0d-90a0-7fbb-b99e-5ec086e334c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssets_019fec0d-90a0-7fbb-b99e-5ec086e334c3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DeferredCostsNet_019fec0d-90a0-7b81-9a7e-f392a0ca646c" xlink:href="inn-20260930.xsd#inn_DeferredCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_inn_DeferredCostsNet_019fec0d-90a0-7b81-9a7e-f392a0ca646c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_019fec0d-90a0-7c2e-ba15-0314d40188f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_OtherAssets_019fec0d-90a0-7c2e-ba15-0314d40188f1" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fec0d-90a0-7015-8d54-3448d6955656" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fec0d-90a0-7741-b10c-61d6a06b2708" xlink:to="loc_us-gaap_Assets_019fec0d-90a0-7015-8d54-3448d6955656" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fec0d-90a0-7e40-b1f5-8e7169375215" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73af-a06c-452a08e6af65" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fec0d-90a0-7e40-b1f5-8e7169375215" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_019fec0d-90a0-73d6-ba33-61a3aba2c125" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fec0d-90a0-7e40-b1f5-8e7169375215" xlink:to="loc_us-gaap_LiabilitiesAbstract_019fec0d-90a0-73d6-ba33-61a3aba2c125" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fec0d-90a0-758c-ae3d-8a87c24044d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fec0d-90a0-73d6-ba33-61a3aba2c125" xlink:to="loc_us-gaap_LongTermDebt_019fec0d-90a0-758c-ae3d-8a87c24044d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019fec0d-90a0-7c3a-b172-c4eff0e79b1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fec0d-90a0-73d6-ba33-61a3aba2c125" xlink:to="loc_us-gaap_OperatingLeaseLiability_019fec0d-90a0-7c3a-b172-c4eff0e79b1a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrentAndNoncurrent_019fec0d-90a0-703f-a3b3-035514a61c52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fec0d-90a0-73d6-ba33-61a3aba2c125" xlink:to="loc_us-gaap_AccountsPayableCurrentAndNoncurrent_019fec0d-90a0-703f-a3b3-035514a61c52" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_AccruedAndOtherLiabilities_019fec0d-90a0-7332-bcd5-33698d463f3b" xlink:href="inn-20260930.xsd#inn_AccruedAndOtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fec0d-90a0-73d6-ba33-61a3aba2c125" xlink:to="loc_inn_AccruedAndOtherLiabilities_019fec0d-90a0-7332-bcd5-33698d463f3b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fec0d-90a0-7f21-9710-d55c537d5cbb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fec0d-90a0-73d6-ba33-61a3aba2c125" xlink:to="loc_us-gaap_Liabilities_019fec0d-90a0-7f21-9710-d55c537d5cbb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019fec0d-90a0-7c21-a2c4-0b079c54e3b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fec0d-90a0-7e40-b1f5-8e7169375215" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019fec0d-90a0-7c21-a2c4-0b079c54e3b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_019fec0d-90a0-7b13-adfd-40edd0c1a06d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fec0d-90a0-7e40-b1f5-8e7169375215" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_019fec0d-90a0-7b13-adfd-40edd0c1a06d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fec0d-90a0-7e40-b1f5-8e7169375215" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract_019fec0d-90a0-7dbc-a5a4-145147b79a11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract_019fec0d-90a0-7dbc-a5a4-145147b79a11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019fec0d-90a0-7318-a7d2-578701cbcd75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract_019fec0d-90a0-7dbc-a5a4-145147b79a11" xlink:to="loc_us-gaap_PreferredStockValue_019fec0d-90a0-7318-a7d2-578701cbcd75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019fec0d-90a0-79dd-9786-7916622ea85a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_CommonStockValue_019fec0d-90a0-79dd-9786-7916622ea85a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019fec0d-90a0-7ad4-90b5-1c0229fc61db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019fec0d-90a0-7ad4-90b5-1c0229fc61db" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fec0d-90a0-7f3a-9cd3-b7accc67032a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fec0d-90a0-7f3a-9cd3-b7accc67032a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fec0d-90a0-7bdc-b590-54b42df20563" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fec0d-90a0-7bdc-b590-54b42df20563" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fec0d-90a0-7f8b-ad60-eb15f0f878a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_StockholdersEquity_019fec0d-90a0-7f8b-ad60-eb15f0f878a8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019fec0d-90a0-7930-bfba-6afa23ff7713" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_MinorityInterest_019fec0d-90a0-7930-bfba-6afa23ff7713" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fec0d-90a0-7476-ac6e-f2d0d8dff770" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fec0d-90a0-72b3-90ba-d5a3f1f311e2" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fec0d-90a0-7476-ac6e-f2d0d8dff770" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fec0d-90a0-7697-b773-91ea643d3221" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fec0d-90a0-7e40-b1f5-8e7169375215" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fec0d-90a0-7697-b773-91ea643d3221" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="inn-20260930.xsd#CondensedConsolidatedBalanceSheetsParenthetical"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fec0d-90a0-7090-b6d2-3ebf724fb953" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_StatementTable_019fec0d-90a0-7090-b6d2-3ebf724fb953" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-77cc-b2fd-e4f6c7681496" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fec0d-90a0-7090-b6d2-3ebf724fb953" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-77cc-b2fd-e4f6c7681496" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-77cc-b2fd-e4f6c7681496_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-77cc-b2fd-e4f6c7681496" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-77cc-b2fd-e4f6c7681496_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7bf9-bba0-f08b9ae35992" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-77cc-b2fd-e4f6c7681496" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7bf9-bba0-f08b9ae35992" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-74ab-8fc6-c7113d7b722a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7bf9-bba0-f08b9ae35992" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-74ab-8fc6-c7113d7b722a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7ac8-b055-aff1e0a0bc3f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesFPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7bf9-bba0-f08b9ae35992" xlink:to="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7ac8-b055-aff1e0a0bc3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019fec0d-90a0-7848-ac91-18f86ff905ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019fec0d-90a0-7848-ac91-18f86ff905ee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_019fec0d-90a0-71f6-a5a7-fa837efac44f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_019fec0d-90a0-71f6-a5a7-fa837efac44f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_019fec0d-90a0-7c6f-a1bf-b02315856e7d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_019fec0d-90a0-7c6f-a1bf-b02315856e7d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_019fec0d-90a0-7fc4-8268-b12e51e4e7de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_PreferredStockSharesIssued_019fec0d-90a0-7fc4-8268-b12e51e4e7de" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_019fec0d-90a0-7b57-a0f7-582f0f9b6989" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_019fec0d-90a0-7b57-a0f7-582f0f9b6989" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockLiquidationPreferenceValue_019fec0d-90a0-7152-ab91-ff0a2e854492" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockLiquidationPreferenceValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_PreferredStockLiquidationPreferenceValue_019fec0d-90a0-7152-ab91-ff0a2e854492" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_019fec0d-90a0-75bf-8ab7-552bc47e53fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_019fec0d-90a0-75bf-8ab7-552bc47e53fa" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_019fec0d-90a0-74ed-a69d-7018c6869846" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_019fec0d-90a0-74ed-a69d-7018c6869846" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-90a0-7324-b349-cfc34fc77543" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-90a0-7324-b349-cfc34fc77543" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_019fec0d-90a0-71d3-869a-1e631d25f286" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-7cbd-a3ea-fc4d0b52b82b" xlink:to="loc_us-gaap_CommonStockSharesIssued_019fec0d-90a0-71d3-869a-1e631d25f286" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="inn-20260930.xsd#CondensedConsolidatedStatementsofOperations"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/CondensedConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fec0d-90a0-7de7-a23d-54d8e386f880" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_StatementTable_019fec0d-90a0-7de7-a23d-54d8e386f880" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fec0d-90a0-7935-b743-c7bc5eaff551" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fec0d-90a0-7de7-a23d-54d8e386f880" xlink:to="loc_srt_ProductOrServiceAxis_019fec0d-90a0-7935-b743-c7bc5eaff551" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fec0d-90a0-7935-b743-c7bc5eaff551_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019fec0d-90a0-7935-b743-c7bc5eaff551" xlink:to="loc_srt_ProductsAndServicesDomain_019fec0d-90a0-7935-b743-c7bc5eaff551_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fec0d-90a0-7589-b797-ef61552ae4f9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019fec0d-90a0-7935-b743-c7bc5eaff551" xlink:to="loc_srt_ProductsAndServicesDomain_019fec0d-90a0-7589-b797-ef61552ae4f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OccupancyMember_019fec0d-90a0-7ddb-badf-6a74e81a67ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OccupancyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fec0d-90a0-7589-b797-ef61552ae4f9" xlink:to="loc_us-gaap_OccupancyMember_019fec0d-90a0-7ddb-badf-6a74e81a67ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FoodAndBeverageMember_019fec0d-90a0-7dc6-885c-ad096e3afd9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FoodAndBeverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fec0d-90a0-7589-b797-ef61552ae4f9" xlink:to="loc_us-gaap_FoodAndBeverageMember_019fec0d-90a0-7dc6-885c-ad096e3afd9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HotelOtherMember_019fec0d-90a0-72b9-bfaa-2ebef4b8ed01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HotelOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fec0d-90a0-7589-b797-ef61552ae4f9" xlink:to="loc_us-gaap_HotelOtherMember_019fec0d-90a0-72b9-bfaa-2ebef4b8ed01" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_019fec0d-90a0-77fb-914f-4f317ec1bdd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_RevenuesAbstract_019fec0d-90a0-77fb-914f-4f317ec1bdd3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fec0d-90a0-769b-b2d3-85d0fc0a08f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_019fec0d-90a0-77fb-914f-4f317ec1bdd3" xlink:to="loc_us-gaap_Revenues_019fec0d-90a0-769b-b2d3-85d0fc0a08f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fec0d-90a0-7f05-9227-428e485fb5ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fec0d-90a0-7f05-9227-428e485fb5ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTaxesAndInsurance_019fec0d-90a0-7b28-91b5-ab5a86f8871a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateTaxesAndInsurance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:to="loc_us-gaap_RealEstateTaxesAndInsurance_019fec0d-90a0-7b28-91b5-ab5a86f8871a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManagementFeeExpense_019fec0d-90a0-7795-aae3-5e1c141a2a2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ManagementFeeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:to="loc_us-gaap_ManagementFeeExpense_019fec0d-90a0-7795-aae3-5e1c141a2a2c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019fec0d-90a0-7f18-97a9-37ef6dadf8f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:to="loc_us-gaap_DepreciationAndAmortization_019fec0d-90a0-7f18-97a9-37ef6dadf8f4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019fec0d-90a0-7896-888b-417fd108395a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019fec0d-90a0-7896-888b-417fd108395a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019fec0d-90a0-7a10-9029-65e1e4d31d89" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:to="loc_us-gaap_AssetImpairmentCharges_019fec0d-90a0-7a10-9029-65e1e4d31d89" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019fec0d-90a0-7662-a790-4fc151291dd9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-90a0-7d2c-b477-b2fed1c67b01" xlink:to="loc_us-gaap_CostsAndExpenses_019fec0d-90a0-7662-a790-4fc151291dd9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_019fec0d-90a0-7f65-992a-1a9ec097ab54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_019fec0d-90a0-7f65-992a-1a9ec097ab54" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019fec0d-90a0-7857-9e55-b6ee40a2c17e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_OperatingIncomeLoss_019fec0d-90a0-7857-9e55-b6ee40a2c17e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019fec0d-90a0-71f3-9470-6ddd23d828ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019fec0d-90a0-71f3-9470-6ddd23d828ef" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019fec0d-90a0-7b11-aa99-06059aa5f0fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019fec0d-90a0-71f3-9470-6ddd23d828ef" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019fec0d-90a0-7b11-aa99-06059aa5f0fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_019fec0d-90a0-7c7b-80fc-2f78c8cc5681" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019fec0d-90a0-71f3-9470-6ddd23d828ef" xlink:to="loc_us-gaap_InvestmentIncomeInterest_019fec0d-90a0-7c7b-80fc-2f78c8cc5681" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019fec0d-90a0-7ce7-a122-0f94889ff7e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019fec0d-90a0-71f3-9470-6ddd23d828ef" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019fec0d-90a0-7ce7-a122-0f94889ff7e0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019fec0d-90a0-719a-9d15-04564305a7c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_019fec0d-90a0-71f3-9470-6ddd23d828ef" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019fec0d-90a0-719a-9d15-04564305a7c7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fec0d-90a0-7165-8835-e77a722ae944" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fec0d-90a0-7165-8835-e77a722ae944" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019fec0d-90a0-785d-bd05-b6352cdb12d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019fec0d-90a0-785d-bd05-b6352cdb12d4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NetIncomeLossAvailableToCommonStockholdersBeforeAmountsAllocatedToParticipatingSecurities_019fec0d-90a0-7b78-90af-18f364092891" xlink:href="inn-20260930.xsd#inn_NetIncomeLossAvailableToCommonStockholdersBeforeAmountsAllocatedToParticipatingSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_inn_NetIncomeLossAvailableToCommonStockholdersBeforeAmountsAllocatedToParticipatingSecurities_019fec0d-90a0-7b78-90af-18f364092891" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019fec0d-90a0-7334-8f28-cbc82aa9a8af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019fec0d-90a0-7334-8f28-cbc82aa9a8af" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NetIncomeLossAvailableToCommonStockholdersBeforePreferredStockDividends_019fec0d-90a0-72f6-9864-1c303eb4c7dd" xlink:href="inn-20260930.xsd#inn_NetIncomeLossAvailableToCommonStockholdersBeforePreferredStockDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_inn_NetIncomeLossAvailableToCommonStockholdersBeforePreferredStockDividends_019fec0d-90a0-72f6-9864-1c303eb4c7dd" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPreferredStockDividendsAndAdjustments_019fec0d-90a0-71fe-9cde-9eb327deb767" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherPreferredStockDividendsAndAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_OtherPreferredStockDividendsAndAdjustments_019fec0d-90a0-71fe-9cde-9eb327deb767" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_019fec0d-90a0-7141-8109-f277b11071b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_019fec0d-90a0-7141-8109-f277b11071b8" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UndistributedEarningsLossAvailableToCommonShareholdersBasic_019fec0d-90a0-7f96-be7d-a655070411b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UndistributedEarningsLossAvailableToCommonShareholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_UndistributedEarningsLossAvailableToCommonShareholdersBasic_019fec0d-90a0-7f96-be7d-a655070411b9" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_019fec0d-90a0-7435-a8d7-e06a97e1770f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_EarningsPerShareAbstract_019fec0d-90a0-7435-a8d7-e06a97e1770f" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019fec0d-90a0-7698-ad50-acc0b896ba67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019fec0d-90a0-7435-a8d7-e06a97e1770f" xlink:to="loc_us-gaap_EarningsPerShareBasic_019fec0d-90a0-7698-ad50-acc0b896ba67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019fec0d-90a0-793c-8882-80c3bc10b759" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019fec0d-90a0-7435-a8d7-e06a97e1770f" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019fec0d-90a0-793c-8882-80c3bc10b759" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fec0d-90a0-7e21-a94e-522f2f8ebad8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-73f0-9a58-b56ab80ed6df" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fec0d-90a0-7e21-a94e-522f2f8ebad8" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fec0d-90a0-73e9-93a8-6558672f221c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fec0d-90a0-7e21-a94e-522f2f8ebad8" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fec0d-90a0-73e9-93a8-6558672f221c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fec0d-90a0-71ea-b92a-7bff4e44ca98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019fec0d-90a0-7e21-a94e-522f2f8ebad8" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fec0d-90a0-71ea-b92a-7bff4e44ca98" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/CondensedConsolidatedStatementsofChangesinEquityandRedeemableNoncontrollingInterests" xlink:type="simple" xlink:href="inn-20260930.xsd#CondensedConsolidatedStatementsofChangesinEquityandRedeemableNoncontrollingInterests"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/CondensedConsolidatedStatementsofChangesinEquityandRedeemableNoncontrollingInterests" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fec0d-90a0-78ec-9770-22d85b5d827b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fec0d-90a0-7293-8b1c-dc89cdc99ab7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-78ec-9770-22d85b5d827b" xlink:to="loc_us-gaap_StatementTable_019fec0d-90a0-7293-8b1c-dc89cdc99ab7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-90a0-743c-bfd2-17a3ef1d0a3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fec0d-90a0-7293-8b1c-dc89cdc99ab7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-90a0-743c-bfd2-17a3ef1d0a3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fec0d-90a0-743c-bfd2-17a3ef1d0a3b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-90a0-743c-bfd2-17a3ef1d0a3b" xlink:to="loc_us-gaap_EquityComponentDomain_019fec0d-90a0-743c-bfd2-17a3ef1d0a3b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fec0d-90a0-7b42-b2be-a414a8dd5a32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-90a0-743c-bfd2-17a3ef1d0a3b" xlink:to="loc_us-gaap_EquityComponentDomain_019fec0d-90a0-7b42-b2be-a414a8dd5a32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_019fec0d-90a0-7b66-95a7-f92a19ab162d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fec0d-90a0-7b42-b2be-a414a8dd5a32" xlink:to="loc_us-gaap_ParentMember_019fec0d-90a0-7b66-95a7-f92a19ab162d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_019fec0d-90a0-73e8-8750-ac0a100bd3bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019fec0d-90a0-7b66-95a7-f92a19ab162d" xlink:to="loc_us-gaap_PreferredStockMember_019fec0d-90a0-73e8-8750-ac0a100bd3bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fec0d-90a0-76fd-8bbe-3b60bd97be06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019fec0d-90a0-7b66-95a7-f92a19ab162d" xlink:to="loc_us-gaap_CommonStockMember_019fec0d-90a0-76fd-8bbe-3b60bd97be06" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019fec0d-90a0-7bb4-b3c5-5d0c8794db50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019fec0d-90a0-7b66-95a7-f92a19ab162d" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019fec0d-90a0-7bb4-b3c5-5d0c8794db50" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fec0d-90a0-714b-9385-fdd92fd57374" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019fec0d-90a0-7b66-95a7-f92a19ab162d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fec0d-90a0-714b-9385-fdd92fd57374" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_019fec0d-90a0-736a-9390-d1e827bd6825" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_019fec0d-90a0-7b66-95a7-f92a19ab162d" xlink:to="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_019fec0d-90a0-736a-9390-d1e827bd6825" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_019fec0d-90a0-7bb6-9e28-4274254491b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fec0d-90a0-7b42-b2be-a414a8dd5a32" xlink:to="loc_us-gaap_NoncontrollingInterestMember_019fec0d-90a0-7bb6-9e28-4274254491b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019fec0d-90a0-7c59-a0d9-6bd43252ea3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-78ec-9770-22d85b5d827b" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019fec0d-90a0-7c59-a0d9-6bd43252ea3c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_019fec0d-90a0-7a32-af0f-8efcbffade13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019fec0d-90a0-7c59-a0d9-6bd43252ea3c" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_019fec0d-90a0-7a32-af0f-8efcbffade13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityAccretionToRedemptionValue_019fec0d-90a0-795b-ab8f-db00cdded452" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityAccretionToRedemptionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019fec0d-90a0-7c59-a0d9-6bd43252ea3c" xlink:to="loc_us-gaap_TemporaryEquityAccretionToRedemptionValue_019fec0d-90a0-795b-ab8f-db00cdded452" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityDividendsAdjustment_019fec0d-90a0-7cb2-b686-4cfbd7a3cf16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityDividendsAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_019fec0d-90a0-7c59-a0d9-6bd43252ea3c" xlink:to="loc_us-gaap_TemporaryEquityDividendsAdjustment_019fec0d-90a0-7cb2-b686-4cfbd7a3cf16" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_019fec0d-90a0-76e6-a06e-dbaed86d62e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fec0d-90a0-78ec-9770-22d85b5d827b" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_019fec0d-90a0-7e09-a853-8b177460ccf4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_019fec0d-90a0-7e09-a853-8b177460ccf4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-90a0-7669-9945-8f902badeabd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-90a0-7669-9945-8f902badeabd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fec0d-90a0-7835-b402-cb67e3d5d4e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fec0d-90a0-7835-b402-cb67e3d5d4e8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_StockholdersEquityAccretionToRedemptionValueAdjustment_019fec0d-90a0-771a-aa66-ec1e0cb48047" xlink:href="inn-20260930.xsd#inn_StockholdersEquityAccretionToRedemptionValueAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_inn_StockholdersEquityAccretionToRedemptionValueAdjustment_019fec0d-90a0-771a-aa66-ec1e0cb48047" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NoncontrollingInterestIncreaseFromCashContribution_019fec0d-90a0-7545-a346-fbf90c40a194" xlink:href="inn-20260930.xsd#inn_NoncontrollingInterestIncreaseFromCashContribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_inn_NoncontrollingInterestIncreaseFromCashContribution_019fec0d-90a0-7545-a346-fbf90c40a194" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_019fec0d-90a0-7681-8478-d09be212b006" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_019fec0d-90a0-7681-8478-d09be212b006" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_019fec0d-90a0-7fe5-a698-9d576e676455" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_019fec0d-90a0-7fe5-a698-9d576e676455" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_019fec0d-90a0-7579-81b4-5069d31cfc3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_019fec0d-90a0-7579-81b4-5069d31cfc3c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_019fec0d-90a0-7a33-8b35-59a6b9cd9083" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_019fec0d-90a0-7a33-8b35-59a6b9cd9083" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_019fec0d-90a0-7e72-bc1f-6e4e6cbc61d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_DividendsCommonStockCash_019fec0d-90a0-7e72-bc1f-6e4e6cbc61d8" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStockCash_019fec0d-90a0-7899-b523-c4bfb49f8ed4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DividendsPreferredStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_DividendsPreferredStockCash_019fec0d-90a0-7899-b523-c4bfb49f8ed4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019fec0d-90a0-7e5f-b815-40942337aaa0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_019fec0d-90a0-7e5f-b815-40942337aaa0" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_01a17d7d-3b74-75df-9eda-8a2c508478f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_01a17d7d-3b74-75df-9eda-8a2c508478f5" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_01a15908-ab32-7c8c-b7ba-087e462c949b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_01a15908-ab32-7c8c-b7ba-087e462c949b" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_01a17d66-a7a0-7d3a-a35f-5f4e59151c00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_01a17d66-a7a0-7d3a-a35f-5f4e59151c00" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019fec0d-90a0-700c-b67f-35dc5a348a0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019fec0d-90a0-700c-b67f-35dc5a348a0b" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_019fec0d-90a0-71bc-8881-b5cef423dfaf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_019fec0d-90a0-71bc-8881-b5cef423dfaf" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fec0d-90a0-749c-a29d-d76b3beda01d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019fec0d-90a0-749c-a29d-d76b3beda01d" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019fec0d-90a0-7175-9a67-61cf00f48019" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_ProfitLoss_019fec0d-90a0-7175-9a67-61cf00f48019" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityOther_019fec0d-90a0-7e47-b789-482153477b20" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fec0d-90a0-7201-ad4f-7d0aaafea15d" xlink:to="loc_us-gaap_StockholdersEquityOther_019fec0d-90a0-7e47-b789-482153477b20" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_019fec0d-90a0-7c87-8583-fbc05f938a32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-90a0-7654-8614-2fc50b182981" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fec0d-90a0-721c-8ec7-5ebf27f1748d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DESCRIPTIONOFBUSINESSDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DESCRIPTIONOFBUSINESSDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DESCRIPTIONOFBUSINESSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstatePropertiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_019fec0d-90a0-7a78-95e2-045139935be4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRealEstatePropertiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_019fec0d-90a0-7a78-95e2-045139935be4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-7650-9c21-26b1531dfbf1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_019fec0d-90a0-7a78-95e2-045139935be4" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-7650-9c21-26b1531dfbf1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-7650-9c21-26b1531dfbf1_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-7650-9c21-26b1531dfbf1" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-7650-9c21-26b1531dfbf1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-73f9-b81c-87f3872abce1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-7650-9c21-26b1531dfbf1" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-73f9-b81c-87f3872abce1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_HotelMember_019fec0d-90a0-7dff-8926-45da7377e165" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_HotelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-73f9-b81c-87f3872abce1" xlink:to="loc_srt_HotelMember_019fec0d-90a0-7dff-8926-45da7377e165" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-90a0-7c03-8db9-2d3a314c11ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstatePropertiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_019fec0d-90a0-7a78-95e2-045139935be4" xlink:to="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-90a0-7c03-8db9-2d3a314c11ed" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-90a0-7c03-8db9-2d3a314c11ed_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-90a0-7c03-8db9-2d3a314c11ed" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-90a0-7c03-8db9-2d3a314c11ed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-90a0-783a-bd07-92dd5e8fa0c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-90a0-7c03-8db9-2d3a314c11ed" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-90a0-783a-bd07-92dd5e8fa0c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WhollyOwnedPropertiesMember_019fec0d-90a0-7855-bf01-d66454d0d5fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WhollyOwnedPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-90a0-783a-bd07-92dd5e8fa0c9" xlink:to="loc_us-gaap_WhollyOwnedPropertiesMember_019fec0d-90a0-7855-bf01-d66454d0d5fc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartiallyOwnedPropertiesMember_019fec0d-90a0-79c0-94bf-cde57bb4cbd9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PartiallyOwnedPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-90a0-783a-bd07-92dd5e8fa0c9" xlink:to="loc_us-gaap_PartiallyOwnedPropertiesMember_019fec0d-90a0-79c0-94bf-cde57bb4cbd9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_019fec0d-90a0-79eb-a869-346c407955bd" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_019fec0d-90a0-7a78-95e2-045139935be4" xlink:to="loc_srt_OwnershipAxis_019fec0d-90a0-79eb-a869-346c407955bd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fec0d-90a0-79eb-a869-346c407955bd_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_019fec0d-90a0-79eb-a869-346c407955bd" xlink:to="loc_srt_OwnershipDomain_019fec0d-90a0-79eb-a869-346c407955bd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fec0d-90a0-7f8f-b391-fdd154664e8c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_019fec0d-90a0-79eb-a869-346c407955bd" xlink:to="loc_srt_OwnershipDomain_019fec0d-90a0-7f8f-b391-fdd154664e8c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_HotelPortfolioOtherThanOnesOwnedThroughJointVentureMember_019fec0d-90a0-769a-8299-f90e0a6a4c4b" xlink:href="inn-20260930.xsd#inn_HotelPortfolioOtherThanOnesOwnedThroughJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fec0d-90a0-7f8f-b391-fdd154664e8c" xlink:to="loc_inn_HotelPortfolioOtherThanOnesOwnedThroughJointVentureMember_019fec0d-90a0-769a-8299-f90e0a6a4c4b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_HotelsOwnedThroughJointVentureMember_019fec0d-90a0-781d-bad4-a5b463eb2acd" xlink:href="inn-20260930.xsd#inn_HotelsOwnedThroughJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fec0d-90a0-7f8f-b391-fdd154664e8c" xlink:to="loc_inn_HotelsOwnedThroughJointVentureMember_019fec0d-90a0-781d-bad4-a5b463eb2acd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_OperatingPartnershipMember_019fec0d-90a0-7bae-9771-0207812956c8" xlink:href="inn-20260930.xsd#inn_OperatingPartnershipMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fec0d-90a0-7f8f-b391-fdd154664e8c" xlink:to="loc_inn_OperatingPartnershipMember_019fec0d-90a0-7bae-9771-0207812956c8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-90a0-752d-9847-8ffbc3b54031" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_019fec0d-90a0-7a78-95e2-045139935be4" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-90a0-752d-9847-8ffbc3b54031" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-90a0-752d-9847-8ffbc3b54031_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-90a0-752d-9847-8ffbc3b54031" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-90a0-752d-9847-8ffbc3b54031_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-90a0-77d4-871d-fc4b4025fb27" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-90a0-752d-9847-8ffbc3b54031" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-90a0-77d4-871d-fc4b4025fb27" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_GICJointVentureMember_019fec0d-90a0-7f19-8c23-9291a602570e" xlink:href="inn-20260930.xsd#inn_GICJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-90a0-77d4-871d-fc4b4025fb27" xlink:to="loc_inn_GICJointVentureMember_019fec0d-90a0-7f19-8c23-9291a602570e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BrickellJointVentureMember_019fec0d-90a0-7f5d-b542-11317777f10d" xlink:href="inn-20260930.xsd#inn_BrickellJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-90a0-77d4-871d-fc4b4025fb27" xlink:to="loc_inn_BrickellJointVentureMember_019fec0d-90a0-7f5d-b542-11317777f10d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_OneraJointVentureMember_019fec0d-90a0-71bf-80dd-6fe4d4be57ff" xlink:href="inn-20260930.xsd#inn_OneraJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-90a0-77d4-871d-fc4b4025fb27" xlink:to="loc_inn_OneraJointVentureMember_019fec0d-90a0-71bf-80dd-6fe4d4be57ff" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-74e2-8ba9-9862ca3e661c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_019fec0d-90a0-7a78-95e2-045139935be4" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-74e2-8ba9-9862ca3e661c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-74e2-8ba9-9862ca3e661c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-74e2-8ba9-9862ca3e661c" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-74e2-8ba9-9862ca3e661c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7a9e-bf14-5320da4eccf0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-90a0-74e2-8ba9-9862ca3e661c" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7a9e-bf14-5320da4eccf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-79b7-9a1b-bbabb33dbebb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7a9e-bf14-5320da4eccf0" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-90a0-79b7-9a1b-bbabb33dbebb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7959-87b2-959a2770e9bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesFPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7a9e-bf14-5320da4eccf0" xlink:to="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-90a0-7959-87b2-959a2770e9bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SeriesZPreferredUnitsMember_019fec0d-90a0-79cb-8742-27d8047a8780" xlink:href="inn-20260930.xsd#inn_SeriesZPreferredUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-90a0-7a9e-bf14-5320da4eccf0" xlink:to="loc_inn_SeriesZPreferredUnitsMember_019fec0d-90a0-79cb-8742-27d8047a8780" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-90a0-7ca1-892d-3bda00885c30" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-90a0-7ca1-892d-3bda00885c30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-90a0-7e04-ab82-2add5815f1a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfUnitsInRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-90a0-7e04-ab82-2add5815f1a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfStatesInWhichEntityOperates_019fec0d-90a0-7eaa-b2e3-20b9f271bf6c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfStatesInWhichEntityOperates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_NumberOfStatesInWhichEntityOperates_019fec0d-90a0-7eaa-b2e3-20b9f271bf6c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_019fec0d-90a0-7e8c-ace8-30c8e3a9b5a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_019fec0d-90a0-7e8c-ace8-30c8e3a9b5a5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_019fec0d-90a0-7d13-97b5-4e39970674c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_019fec0d-90a0-7d13-97b5-4e39970674c8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NumberOfSeparateJointVentures_019fec0d-90a0-73bf-b1fa-5739fbd95cb1" xlink:href="inn-20260930.xsd#inn_NumberOfSeparateJointVentures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_inn_NumberOfSeparateJointVentures_019fec0d-90a0-73bf-b1fa-5739fbd95cb1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PercentageOfGuestroomsLocatedInTop50MetropolitanStatisticalAreas_019fec0d-90a0-7726-80ed-0ebd24f3b3a4" xlink:href="inn-20260930.xsd#inn_PercentageOfGuestroomsLocatedInTop50MetropolitanStatisticalAreas"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_inn_PercentageOfGuestroomsLocatedInTop50MetropolitanStatisticalAreas_019fec0d-90a0-7726-80ed-0ebd24f3b3a4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PercentageOfGuestroomsLocatedInTop100MetropolitanStatisticalAreas_019fec0d-90a0-7b76-a22a-a35d814f92e6" xlink:href="inn-20260930.xsd#inn_PercentageOfGuestroomsLocatedInTop100MetropolitanStatisticalAreas"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_inn_PercentageOfGuestroomsLocatedInTop100MetropolitanStatisticalAreas_019fec0d-90a0-7b76-a22a-a35d814f92e6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PercentageOfGuestroomsOperatedUnderPremiumFranchiseBrands_019fec0d-90a0-7b1b-aa3a-6c7f3d939775" xlink:href="inn-20260930.xsd#inn_PercentageOfGuestroomsOperatedUnderPremiumFranchiseBrands"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_inn_PercentageOfGuestroomsOperatedUnderPremiumFranchiseBrands_019fec0d-90a0-7b1b-aa3a-6c7f3d939775" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_019fec0d-90a0-77da-9880-f941ebfdc5d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_019fec0d-90a0-77da-9880-f941ebfdc5d0" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockRedemptionPricePerShare_019fec0d-90a0-73ce-a98e-978543cf12b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockRedemptionPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_019fec0d-90a0-7641-8086-7ba1400fb355" xlink:to="loc_us-gaap_PreferredStockRedemptionPricePerShare_019fec0d-90a0-73ce-a98e-978543cf12b5" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7e88-abf3-a44497597620" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-7dde-b591-f77e90ae781e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7e88-abf3-a44497597620" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-7dde-b591-f77e90ae781e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-90a0-7e43-92f1-7a642c1bf81a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-7dde-b591-f77e90ae781e" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-90a0-7e43-92f1-7a642c1bf81a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-90a0-7e43-92f1-7a642c1bf81a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-90a0-7e43-92f1-7a642c1bf81a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-90a0-7e43-92f1-7a642c1bf81a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-90a0-7890-b7df-5c75d10b5e79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-90a0-7e43-92f1-7a642c1bf81a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-90a0-7890-b7df-5c75d10b5e79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DelayedDrawTermLoanFiftyMillionMember_019fec0d-90a0-7987-a8e3-91f6737f19f5" xlink:href="inn-20260930.xsd#inn_DelayedDrawTermLoanFiftyMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-90a0-7890-b7df-5c75d10b5e79" xlink:to="loc_inn_DelayedDrawTermLoanFiftyMillionMember_019fec0d-90a0-7987-a8e3-91f6737f19f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-90a0-7730-853b-5696b726e426" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-7dde-b591-f77e90ae781e" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-90a0-7730-853b-5696b726e426" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-90a0-7730-853b-5696b726e426_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-90a0-7730-853b-5696b726e426" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-90a0-7730-853b-5696b726e426_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-90a0-7c05-8dd8-d07d45343532" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-90a0-7730-853b-5696b726e426" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-90a0-7c05-8dd8-d07d45343532" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-90a0-7618-8b3d-a417a788948c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-90a0-7c05-8dd8-d07d45343532" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-90a0-7618-8b3d-a417a788948c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019fec0d-90a0-7227-bc81-6d2a21a9e603" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7e88-abf3-a44497597620" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019fec0d-90a0-7227-bc81-6d2a21a9e603" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019fec0d-90a0-7b8a-b7ed-390acf1d041c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7e88-abf3-a44497597620" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019fec0d-90a0-7b8a-b7ed-390acf1d041c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-90a0-7cdf-b9ac-05ba7ecc18f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7e88-abf3-a44497597620" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-90a0-7cdf-b9ac-05ba7ecc18f4" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESScheduleofEstimatedUsefulLivesofHotelPropertiesandRelatedAssetsDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESScheduleofEstimatedUsefulLivesofHotelPropertiesandRelatedAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/BASISOFPRESENTATIONANDSIGNIFICANTACCOUNTINGPOLICIESScheduleofEstimatedUsefulLivesofHotelPropertiesandRelatedAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7ac7-9af4-86503b7312ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-77fa-acd2-17bcab6ba7e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7ac7-9af4-86503b7312ab" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-77fa-acd2-17bcab6ba7e3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-72bc-8200-e68ff4eefce8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-77fa-acd2-17bcab6ba7e3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-72bc-8200-e68ff4eefce8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-72bc-8200-e68ff4eefce8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-72bc-8200-e68ff4eefce8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-72bc-8200-e68ff4eefce8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-722b-9d9b-0ff76530bed4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-72bc-8200-e68ff4eefce8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-722b-9d9b-0ff76530bed4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_019fec0d-90a0-7835-a8f1-f983e030326a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-722b-9d9b-0ff76530bed4" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_019fec0d-90a0-7835-a8f1-f983e030326a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FurnitureFixturesAndEquipmentMember_019fec0d-90a0-7188-8404-6c4a1fd15d05" xlink:href="inn-20260930.xsd#inn_FurnitureFixturesAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-722b-9d9b-0ff76530bed4" xlink:to="loc_inn_FurnitureFixturesAndEquipmentMember_019fec0d-90a0-7188-8404-6c4a1fd15d05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-90a0-70a5-b0a3-e917863f2132" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_019fec0d-90a0-77fa-acd2-17bcab6ba7e3" xlink:to="loc_srt_RangeAxis_019fec0d-90a0-70a5-b0a3-e917863f2132" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-90a0-70a5-b0a3-e917863f2132_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-90a0-70a5-b0a3-e917863f2132" xlink:to="loc_srt_RangeMember_019fec0d-90a0-70a5-b0a3-e917863f2132_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-90a0-7730-aba8-24a4a68fc633" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-90a0-70a5-b0a3-e917863f2132" xlink:to="loc_srt_RangeMember_019fec0d-90a0-7730-aba8-24a4a68fc633" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fec0d-90a0-7058-9d58-a7974746fe58" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-90a0-7730-aba8-24a4a68fc633" xlink:to="loc_srt_MinimumMember_019fec0d-90a0-7058-9d58-a7974746fe58" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fec0d-90a0-78fd-b673-22dc76124bd1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-90a0-7730-aba8-24a4a68fc633" xlink:to="loc_srt_MaximumMember_019fec0d-90a0-78fd-b673-22dc76124bd1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_019fec0d-90a0-7046-a8c9-ca1bfc10d198" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_019fec0d-90a0-7ac7-9af4-86503b7312ab" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAbstract_019fec0d-90a0-7046-a8c9-ca1bfc10d198" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_019fec0d-90a0-7fab-b69e-d11abd40985c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_019fec0d-90a0-7046-a8c9-ca1bfc10d198" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_019fec0d-90a0-7fab-b69e-d11abd40985c" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETScheduleofInvestmentinLodgingPropertiesDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETScheduleofInvestmentinLodgingPropertiesDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETScheduleofInvestmentinLodgingPropertiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7992-af1d-674fc78dbfcc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7773-acde-59e0dc1b54e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7992-af1d-674fc78dbfcc" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7773-acde-59e0dc1b54e7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-7893-9ec6-a56095c2d39d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7773-acde-59e0dc1b54e7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-7893-9ec6-a56095c2d39d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7893-9ec6-a56095c2d39d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-7893-9ec6-a56095c2d39d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7893-9ec6-a56095c2d39d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7bd9-981f-a0d4519eedba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_019fec0d-90a0-7893-9ec6-a56095c2d39d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7bd9-981f-a0d4519eedba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_019fec0d-90a0-7396-a8ea-8ca604cb0b4f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7bd9-981f-a0d4519eedba" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_019fec0d-90a0-7396-a8ea-8ca604cb0b4f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_019fec0d-90a0-7abe-8a7e-29528d63a21c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7bd9-981f-a0d4519eedba" xlink:to="loc_us-gaap_LandMember_019fec0d-90a0-7abe-8a7e-29528d63a21c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FurnitureFixturesAndEquipmentMember_019fec0d-90a0-7720-a274-0ae4c18be191" xlink:href="inn-20260930.xsd#inn_FurnitureFixturesAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7bd9-981f-a0d4519eedba" xlink:to="loc_inn_FurnitureFixturesAndEquipmentMember_019fec0d-90a0-7720-a274-0ae4c18be191" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_019fec0d-90a0-7050-8390-3495ffe0986c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7bd9-981f-a0d4519eedba" xlink:to="loc_us-gaap_ConstructionInProgressMember_019fec0d-90a0-7050-8390-3495ffe0986c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_IntangibleAssetsMember_019fec0d-90a0-794e-b5f1-b00d9acad45c" xlink:href="inn-20260930.xsd#inn_IntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_019fec0d-90a0-7bd9-981f-a0d4519eedba" xlink:to="loc_inn_IntangibleAssetsMember_019fec0d-90a0-794e-b5f1-b00d9acad45c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-90a0-790d-ab42-babfecc2b73b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7773-acde-59e0dc1b54e7" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-90a0-790d-ab42-babfecc2b73b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-90a0-790d-ab42-babfecc2b73b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-90a0-790d-ab42-babfecc2b73b" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-90a0-790d-ab42-babfecc2b73b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-90a0-7892-b727-1ea76a31b769" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-90a0-790d-ab42-babfecc2b73b" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-90a0-7892-b727-1ea76a31b769" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateLoanMember_019fec0d-90a0-756d-b3b7-0d0b2049e2b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-90a0-7892-b727-1ea76a31b769" xlink:to="loc_us-gaap_RealEstateLoanMember_019fec0d-90a0-756d-b3b7-0d0b2049e2b6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InvestmentInLodgingPropertyAtCostExcludingUndevelopedLand_019fec0d-90a0-777a-83b9-12fcc25e9c0d" xlink:href="inn-20260930.xsd#inn_InvestmentInLodgingPropertyAtCostExcludingUndevelopedLand"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7992-af1d-674fc78dbfcc" xlink:to="loc_inn_InvestmentInLodgingPropertyAtCostExcludingUndevelopedLand_019fec0d-90a0-777a-83b9-12fcc25e9c0d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_RealEstateInvestmentPropertyExcludingUndevelopedLandAccumulatedDepreciationAndAmortization_019fec0d-90a0-7525-9759-d5f64f179e88" xlink:href="inn-20260930.xsd#inn_RealEstateInvestmentPropertyExcludingUndevelopedLandAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7992-af1d-674fc78dbfcc" xlink:to="loc_inn_RealEstateInvestmentPropertyExcludingUndevelopedLandAccumulatedDepreciationAndAmortization_019fec0d-90a0-7525-9759-d5f64f179e88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LodgingPropertyInvestmentNetExcludingUndevelopedLand_019fec0d-90a0-7372-b7b6-fc4fbf9e6ec3" xlink:href="inn-20260930.xsd#inn_LodgingPropertyInvestmentNetExcludingUndevelopedLand"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7992-af1d-674fc78dbfcc" xlink:to="loc_inn_LodgingPropertyInvestmentNetExcludingUndevelopedLand_019fec0d-90a0-7372-b7b6-fc4fbf9e6ec3" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETInvestmentsinLodgingPropertynetNarrativeDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETInvestmentsinLodgingPropertynetNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETInvestmentsinLodgingPropertynetNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7ed1-ba50-b4eef1966848" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7ad2-b3d6-c9cafb4fe21e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7ed1-ba50-b4eef1966848" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7ad2-b3d6-c9cafb4fe21e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-743e-9694-e8679e0a241a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7ad2-b3d6-c9cafb4fe21e" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-743e-9694-e8679e0a241a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-743e-9694-e8679e0a241a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-743e-9694-e8679e0a241a" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-743e-9694-e8679e0a241a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-7702-b8a3-e39f78637ca1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-90a0-743e-9694-e8679e0a241a" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-7702-b8a3-e39f78637ca1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_HotelMember_019fec0d-90a0-7078-b387-40923606e472" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_HotelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-90a0-7702-b8a3-e39f78637ca1" xlink:to="loc_srt_HotelMember_019fec0d-90a0-7078-b387-40923606e472" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019fec0d-90a0-7d8e-b1be-0b4fca32499d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7ed1-ba50-b4eef1966848" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019fec0d-90a0-7d8e-b1be-0b4fca32499d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETCourtyardbyMarriottandResidenceInnDallasArlingtonSouthTXDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETCourtyardbyMarriottandResidenceInnDallasArlingtonSouthTXDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETCourtyardbyMarriottandResidenceInnDallasArlingtonSouthTXDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-764c-aab5-cca22788244a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-7f15-8b05-4250174dcdcc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-764c-aab5-cca22788244a" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-7f15-8b05-4250174dcdcc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_01a0f1ae-c72b-74e3-92db-4146884b9ff0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-7f15-8b05-4250174dcdcc" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_01a0f1ae-c72b-74e3-92db-4146884b9ff0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_01a0f1ae-c72b-74e3-92db-4146884b9ff0_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_01a0f1ae-c72b-74e3-92db-4146884b9ff0" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_01a0f1ae-c72b-74e3-92db-4146884b9ff0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_01a0f1ae-c72b-7d30-9f45-ed5d1a6310f0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_01a0f1ae-c72b-74e3-92db-4146884b9ff0" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_01a0f1ae-c72b-7d30-9f45-ed5d1a6310f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_CourtyardByMarriottMember_01a0f1ae-c72b-78fd-a9e1-e26c6415d67a" xlink:href="inn-20260930.xsd#inn_CourtyardByMarriottMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_01a0f1ae-c72b-7d30-9f45-ed5d1a6310f0" xlink:to="loc_inn_CourtyardByMarriottMember_01a0f1ae-c72b-78fd-a9e1-e26c6415d67a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ResidenceInnMember_01a0f1ae-c72b-74a9-8108-df0103ba2190" xlink:href="inn-20260930.xsd#inn_ResidenceInnMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_01a0f1ae-c72b-7d30-9f45-ed5d1a6310f0" xlink:to="loc_inn_ResidenceInnMember_01a0f1ae-c72b-74a9-8108-df0103ba2190" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_01a0f1ae-c72b-75f1-8bf8-fc19ce8b4bfd" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-7f15-8b05-4250174dcdcc" xlink:to="loc_srt_StatementGeographicalAxis_01a0f1ae-c72b-75f1-8bf8-fc19ce8b4bfd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_01a0f1ae-c72b-75f1-8bf8-fc19ce8b4bfd_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_01a0f1ae-c72b-75f1-8bf8-fc19ce8b4bfd" xlink:to="loc_srt_SegmentGeographicalDomain_01a0f1ae-c72b-75f1-8bf8-fc19ce8b4bfd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_01a0f1ae-c72b-7dde-978e-c288a8d7ad79" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_01a0f1ae-c72b-75f1-8bf8-fc19ce8b4bfd" xlink:to="loc_srt_SegmentGeographicalDomain_01a0f1ae-c72b-7dde-978e-c288a8d7ad79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DallasArlingtonSouthTXMember_01a0f1ae-c72b-743b-94b8-09e0f2fd5f7a" xlink:href="inn-20260930.xsd#inn_DallasArlingtonSouthTXMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_01a0f1ae-c72b-7dde-978e-c288a8d7ad79" xlink:to="loc_inn_DallasArlingtonSouthTXMember_01a0f1ae-c72b-743b-94b8-09e0f2fd5f7a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SaleOfInvestmentPropertyNumberOfGuestroomsSold_01a0f1ae-c72b-738a-a287-58dd4bf5cf74" xlink:href="inn-20260930.xsd#inn_SaleOfInvestmentPropertyNumberOfGuestroomsSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-764c-aab5-cca22788244a" xlink:to="loc_inn_SaleOfInvestmentPropertyNumberOfGuestroomsSold_01a0f1ae-c72b-738a-a287-58dd4bf5cf74" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_01a0f1ae-c72b-7f84-bcce-0787362bd895" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-764c-aab5-cca22788244a" xlink:to="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_01a0f1ae-c72b-7f84-bcce-0787362bd895" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_01a0f1ae-c72b-7204-909e-ddc7d0aaaba9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TangibleAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-764c-aab5-cca22788244a" xlink:to="loc_us-gaap_TangibleAssetImpairmentCharges_01a0f1ae-c72b-7204-909e-ddc7d0aaaba9" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETHiltonGardenInnLongviewTXDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETHiltonGardenInnLongviewTXDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETHiltonGardenInnLongviewTXDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7431-bcd5-0696a23c0ae4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7f44-9888-813e3a913a13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7431-bcd5-0696a23c0ae4" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7f44-9888-813e3a913a13" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_019fec0d-90a0-782d-8064-d2b7ed4f79fa" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7f44-9888-813e3a913a13" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_019fec0d-90a0-782d-8064-d2b7ed4f79fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_019fec0d-90a0-782d-8064-d2b7ed4f79fa_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_019fec0d-90a0-782d-8064-d2b7ed4f79fa" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_019fec0d-90a0-782d-8064-d2b7ed4f79fa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_019fec0d-90a0-79f7-a3a6-f15006e16b7e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_019fec0d-90a0-782d-8064-d2b7ed4f79fa" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_019fec0d-90a0-79f7-a3a6-f15006e16b7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_HiltonGardenInnMember_019fec0d-90a0-7183-b142-0c72cf7ee9bb" xlink:href="inn-20260930.xsd#inn_HiltonGardenInnMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_019fec0d-90a0-79f7-a3a6-f15006e16b7e" xlink:to="loc_inn_HiltonGardenInnMember_019fec0d-90a0-7183-b142-0c72cf7ee9bb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7092-9d01-5477ef5028bf" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-90a0-7f44-9888-813e3a913a13" xlink:to="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7092-9d01-5477ef5028bf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-7092-9d01-5477ef5028bf_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7092-9d01-5477ef5028bf" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-7092-9d01-5477ef5028bf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-751b-a906-e84ec4c2d98a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7092-9d01-5477ef5028bf" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-751b-a906-e84ec4c2d98a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LongviewTXMember_019fec0d-90a0-7c4a-91b2-6e81ea71a8d1" xlink:href="inn-20260930.xsd#inn_LongviewTXMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-751b-a906-e84ec4c2d98a" xlink:to="loc_inn_LongviewTXMember_019fec0d-90a0-7c4a-91b2-6e81ea71a8d1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SaleOfInvestmentPropertyNumberOfGuestroomsSold_019fec0d-90a0-7c12-b271-8264c5bba404" xlink:href="inn-20260930.xsd#inn_SaleOfInvestmentPropertyNumberOfGuestroomsSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7431-bcd5-0696a23c0ae4" xlink:to="loc_inn_SaleOfInvestmentPropertyNumberOfGuestroomsSold_019fec0d-90a0-7c12-b271-8264c5bba404" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_019fec0d-90a0-758a-a837-219106315331" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7431-bcd5-0696a23c0ae4" xlink:to="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_019fec0d-90a0-758a-a837-219106315331" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TangibleAssetImpairmentCharges_019fec0d-90a0-7af7-9d68-c443d74f010f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TangibleAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-90a0-7431-bcd5-0696a23c0ae4" xlink:to="loc_us-gaap_TangibleAssetImpairmentCharges_019fec0d-90a0-7af7-9d68-c443d74f010f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETUndevelopedParcelofLandSanAntonioTXDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETUndevelopedParcelofLandSanAntonioTXDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETUndevelopedParcelofLandSanAntonioTXDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-76f1-8ae3-9954536ca53a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-90a0-71db-a757-d7a59a95be59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-76f1-8ae3-9954536ca53a" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-90a0-71db-a757-d7a59a95be59" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7fb6-bf0f-e24b4a84d0a6" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-90a0-71db-a757-d7a59a95be59" xlink:to="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7fb6-bf0f-e24b4a84d0a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-7fb6-bf0f-e24b4a84d0a6_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7fb6-bf0f-e24b4a84d0a6" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-7fb6-bf0f-e24b4a84d0a6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-7757-95cb-b7bb21731136" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-90a0-7fb6-bf0f-e24b4a84d0a6" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-7757-95cb-b7bb21731136" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SanAntonioTXMember_019fec0d-90a0-7abe-8f2d-011e226a23fa" xlink:href="inn-20260930.xsd#inn_SanAntonioTXMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fec0d-90a0-7757-95cb-b7bb21731136" xlink:to="loc_inn_SanAntonioTXMember_019fec0d-90a0-7abe-8f2d-011e226a23fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019fec0d-90a0-7f05-93d1-9dcff1772755" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-90a0-71db-a757-d7a59a95be59" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019fec0d-90a0-7f05-93d1-9dcff1772755" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-90a0-7f05-93d1-9dcff1772755_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-90a0-7f05-93d1-9dcff1772755" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-90a0-7f05-93d1-9dcff1772755_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-90a0-70f8-86e1-85b40c31f8f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-90a0-7f05-93d1-9dcff1772755" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-90a0-70f8-86e1-85b40c31f8f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PurchaseAndSaleAgreementMember_019fec0d-90a0-7cb4-8353-c40f8875467e" xlink:href="inn-20260930.xsd#inn_PurchaseAndSaleAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019fec0d-90a0-70f8-86e1-85b40c31f8f3" xlink:to="loc_inn_PurchaseAndSaleAgreementMember_019fec0d-90a0-7cb4-8353-c40f8875467e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_019fec0d-90a0-7e70-914f-c38f4ef658b4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-90a0-71db-a757-d7a59a95be59" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_019fec0d-90a0-7e70-914f-c38f4ef658b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_019fec0d-90a0-7e70-914f-c38f4ef658b4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_019fec0d-90a0-7e70-914f-c38f4ef658b4" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_019fec0d-90a0-7e70-914f-c38f4ef658b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_019fec0d-90a0-7f4e-be19-d2cd0a3e338b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_019fec0d-90a0-7e70-914f-c38f4ef658b4" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_019fec0d-90a0-7f4e-be19-d2cd0a3e338b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_UndevelopedLandMember_019fec0d-90a0-7d91-a998-6924bb778630" xlink:href="inn-20260930.xsd#inn_UndevelopedLandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_019fec0d-90a0-7f4e-be19-d2cd0a3e338b" xlink:to="loc_inn_UndevelopedLandMember_019fec0d-90a0-7d91-a998-6924bb778630" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_AssetAcquisitionPurchaseOfLandParcelAcre_019fec0d-913f-7c84-adaf-53d433430bbc" xlink:href="inn-20260930.xsd#inn_AssetAcquisitionPurchaseOfLandParcelAcre"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-76f1-8ae3-9954536ca53a" xlink:to="loc_inn_AssetAcquisitionPurchaseOfLandParcelAcre_019fec0d-913f-7c84-adaf-53d433430bbc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PurchaseAndSaleAgreementProceedsFromSaleOfAssetAcquisition_019fec0d-913f-77eb-b9b1-499d2497f960" xlink:href="inn-20260930.xsd#inn_PurchaseAndSaleAgreementProceedsFromSaleOfAssetAcquisition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-76f1-8ae3-9954536ca53a" xlink:to="loc_inn_PurchaseAndSaleAgreementProceedsFromSaleOfAssetAcquisition_019fec0d-913f-77eb-b9b1-499d2497f960" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETPendingLodgingPropertySalesDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETPendingLodgingPropertySalesDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETPendingLodgingPropertySalesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-7500-898b-539054b1080c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-71ab-be47-1bb7eabe31a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-7500-898b-539054b1080c" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-71ab-be47-1bb7eabe31a5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_01a17d3c-0b18-7e1f-ba88-15ded29be7f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-71ab-be47-1bb7eabe31a5" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_01a17d3c-0b18-7e1f-ba88-15ded29be7f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a17d3c-0b18-7e1f-ba88-15ded29be7f8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a17d3c-0b18-7e1f-ba88-15ded29be7f8" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a17d3c-0b18-7e1f-ba88-15ded29be7f8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a17d3c-0b18-774d-a170-d7c0dca622ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a17d3c-0b18-7e1f-ba88-15ded29be7f8" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a17d3c-0b18-774d-a170-d7c0dca622ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_01a17d3c-7350-77ff-87b7-c69f13b974d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_01a17d3c-0b18-774d-a170-d7c0dca622ac" xlink:to="loc_us-gaap_SubsequentEventMember_01a17d3c-7350-77ff-87b7-c69f13b974d8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_01a17d3c-a893-7983-9ffd-dbf184349c76" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_019fec0d-913f-71ab-be47-1bb7eabe31a5" xlink:to="loc_srt_StatementScenarioAxis_01a17d3c-a893-7983-9ffd-dbf184349c76" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_01a17d3c-a893-7983-9ffd-dbf184349c76_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_01a17d3c-a893-7983-9ffd-dbf184349c76" xlink:to="loc_srt_ScenarioUnspecifiedDomain_01a17d3c-a893-7983-9ffd-dbf184349c76_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_01a17d3c-a893-758f-a5b3-2cf87ba68dc2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_01a17d3c-a893-7983-9ffd-dbf184349c76" xlink:to="loc_srt_ScenarioUnspecifiedDomain_01a17d3c-a893-758f-a5b3-2cf87ba68dc2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_01a17d3c-d48d-796a-9a89-b003bfaabc96" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScenarioForecastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_01a17d3c-a893-758f-a5b3-2cf87ba68dc2" xlink:to="loc_srt_ScenarioForecastMember_01a17d3c-d48d-796a-9a89-b003bfaabc96" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NumberOfLodgingProperties_01a17d36-46f1-776d-9965-aff3df458e06" xlink:href="inn-20260930.xsd#inn_NumberOfLodgingProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-7500-898b-539054b1080c" xlink:to="loc_inn_NumberOfLodgingProperties_01a17d36-46f1-776d-9965-aff3df458e06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_01a0f1b0-4407-776b-bf82-1a4a8112ab23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-7500-898b-539054b1080c" xlink:to="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_01a0f1b0-4407-776b-bf82-1a4a8112ab23" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_01a14412-80b7-7a3b-93a8-c9dcfb579cde" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainsLossesOnSalesOfInvestmentRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_019fec0d-913f-7500-898b-539054b1080c" xlink:to="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_01a14412-80b7-7a3b-93a8-c9dcfb579cde" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETScheduleofAssetsHeldforSalenetDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETScheduleofAssetsHeldforSalenetDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETScheduleofAssetsHeldforSalenetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-772d-913e-1111d9a463c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-7b68-8332-0ed88bb8a5d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-772d-913e-1111d9a463c8" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-7b68-8332-0ed88bb8a5d9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_019fec0d-913f-7108-998f-558daa47cbec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-7b68-8332-0ed88bb8a5d9" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_019fec0d-913f-7108-998f-558daa47cbec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_019fec0d-913f-7108-998f-558daa47cbec_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_019fec0d-913f-7108-998f-558daa47cbec" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_019fec0d-913f-7108-998f-558daa47cbec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_019fec0d-913f-7eab-a5cf-4ffc0ed61791" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_019fec0d-913f-7108-998f-558daa47cbec" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_019fec0d-913f-7eab-a5cf-4ffc0ed61791" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_019fec0d-913f-7438-998f-eab1e77fb700" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_019fec0d-913f-7eab-a5cf-4ffc0ed61791" xlink:to="loc_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_019fec0d-913f-7438-998f-eab1e77fb700" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_01a17d86-42c5-7838-8de2-2582e06e16be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-7b68-8332-0ed88bb8a5d9" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_01a17d86-42c5-7838-8de2-2582e06e16be" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01a17d86-42c5-7838-8de2-2582e06e16be_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_01a17d86-42c5-7838-8de2-2582e06e16be" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01a17d86-42c5-7838-8de2-2582e06e16be_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01a17d86-42c5-70b7-add5-803cd9dd7680" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_01a17d86-42c5-7838-8de2-2582e06e16be" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01a17d86-42c5-70b7-add5-803cd9dd7680" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ThreeLodgingPropertiesMember_01a17d86-d456-77d9-8512-b5facda141c9" xlink:href="inn-20260930.xsd#inn_ThreeLodgingPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01a17d86-42c5-70b7-add5-803cd9dd7680" xlink:to="loc_inn_ThreeLodgingPropertiesMember_01a17d86-d456-77d9-8512-b5facda141c9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_HiltonGardenInnMember_01a17d87-31e9-7fec-87f2-08c924e33d30" xlink:href="inn-20260930.xsd#inn_HiltonGardenInnMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_01a17d86-42c5-70b7-add5-803cd9dd7680" xlink:to="loc_inn_HiltonGardenInnMember_01a17d87-31e9-7fec-87f2-08c924e33d30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fec0d-913f-79b9-bc93-39801a34f666" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-7b68-8332-0ed88bb8a5d9" xlink:to="loc_srt_StatementGeographicalAxis_019fec0d-913f-79b9-bc93-39801a34f666" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-913f-79b9-bc93-39801a34f666_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-913f-79b9-bc93-39801a34f666" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-913f-79b9-bc93-39801a34f666_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7165-9373-f198965010cb" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-913f-79b9-bc93-39801a34f666" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7165-9373-f198965010cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LongviewTXMember_019fec0d-913f-756e-aefe-f72a1a35150a" xlink:href="inn-20260930.xsd#inn_LongviewTXMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7165-9373-f198965010cb" xlink:to="loc_inn_LongviewTXMember_019fec0d-913f-756e-aefe-f72a1a35150a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NumberOfLodgingProperties_01a17d8e-01be-788e-b6a9-f77d8b95b137" xlink:href="inn-20260930.xsd#inn_NumberOfLodgingProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-772d-913e-1111d9a463c8" xlink:to="loc_inn_NumberOfLodgingProperties_01a17d8e-01be-788e-b6a9-f77d8b95b137" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019fec0d-913f-7422-8c20-b3aaedb2ed4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-772d-913e-1111d9a463c8" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_019fec0d-913f-7422-8c20-b3aaedb2ed4d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETUndevelopedParcelofLandFriscoTXDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETUndevelopedParcelofLandFriscoTXDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETUndevelopedParcelofLandFriscoTXDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-7e1d-a6ca-c21e85f2a1f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-76f1-b723-7d56fdef25f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-7e1d-a6ca-c21e85f2a1f9" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-76f1-b723-7d56fdef25f8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-77da-9b4a-0e2bb33c7103" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-76f1-b723-7d56fdef25f8" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-77da-9b4a-0e2bb33c7103" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-77da-9b4a-0e2bb33c7103_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-77da-9b4a-0e2bb33c7103" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-77da-9b4a-0e2bb33c7103_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-793a-b72e-d72ded7e9c2c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-77da-9b4a-0e2bb33c7103" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-793a-b72e-d72ded7e9c2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PurchaseAndSaleAgreementMember_019fec0d-913f-7c9b-9ebe-ed4616bd1a87" xlink:href="inn-20260930.xsd#inn_PurchaseAndSaleAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-793a-b72e-d72ded7e9c2c" xlink:to="loc_inn_PurchaseAndSaleAgreementMember_019fec0d-913f-7c9b-9ebe-ed4616bd1a87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-7aa6-b3b1-f0c52ae00bc1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-76f1-b723-7d56fdef25f8" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-7aa6-b3b1-f0c52ae00bc1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7aa6-b3b1-f0c52ae00bc1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-7aa6-b3b1-f0c52ae00bc1" xlink:to="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7aa6-b3b1-f0c52ae00bc1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7837-9a22-8df330e700da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-7aa6-b3b1-f0c52ae00bc1" xlink:to="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7837-9a22-8df330e700da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_019fec0d-913f-7da9-bd5b-0a7619d7e48a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7837-9a22-8df330e700da" xlink:to="loc_us-gaap_CorporateJointVentureMember_019fec0d-913f-7da9-bd5b-0a7619d7e48a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fec0d-913f-7b6f-9ea3-669683976ac2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019fec0d-913f-76f1-b723-7d56fdef25f8" xlink:to="loc_srt_StatementGeographicalAxis_019fec0d-913f-7b6f-9ea3-669683976ac2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7b6f-9ea3-669683976ac2_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-913f-7b6f-9ea3-669683976ac2" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7b6f-9ea3-669683976ac2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7fb7-8317-d7135573c242" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-913f-7b6f-9ea3-669683976ac2" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7fb7-8317-d7135573c242" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FriscoTXMember_019fec0d-913f-7d30-a192-e41ada246a48" xlink:href="inn-20260930.xsd#inn_FriscoTXMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fec0d-913f-7fb7-8317-d7135573c242" xlink:to="loc_inn_FriscoTXMember_019fec0d-913f-7d30-a192-e41ada246a48" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_AssetAcquisitionPurchaseOfLandParcelAcre_019fec0d-913f-7c07-8186-5dc5a7b1699e" xlink:href="inn-20260930.xsd#inn_AssetAcquisitionPurchaseOfLandParcelAcre"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-7e1d-a6ca-c21e85f2a1f9" xlink:to="loc_inn_AssetAcquisitionPurchaseOfLandParcelAcre_019fec0d-913f-7c07-8186-5dc5a7b1699e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_019fec0d-913f-7b51-85bb-25fb1bce87d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019fec0d-913f-7e1d-a6ca-c21e85f2a1f9" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_019fec0d-913f-7b51-85bb-25fb1bce87d8" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETScheduleofIntangibleAssetsNetDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTSINLODGINGPROPERTYNETScheduleofIntangibleAssetsNetDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTSINLODGINGPROPERTYNETScheduleofIntangibleAssetsNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fec0d-913f-7590-9373-f57dc4c70878" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fec0d-913f-71d3-9699-4ed098fb771e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fec0d-913f-7590-9373-f57dc4c70878" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fec0d-913f-71d3-9699-4ed098fb771e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-7748-92be-c9f7c0890e29" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fec0d-913f-71d3-9699-4ed098fb771e" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-7748-92be-c9f7c0890e29" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7748-92be-c9f7c0890e29_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-7748-92be-c9f7c0890e29" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7748-92be-c9f7c0890e29_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7748-a246-8d96bfb5b14f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-7748-92be-c9f7c0890e29" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7748-a246-8d96bfb5b14f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_AirRightsMember_019fec0d-913f-7821-8882-2f97d6f51870" xlink:href="inn-20260930.xsd#inn_AirRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7748-a246-8d96bfb5b14f" xlink:to="loc_inn_AirRightsMember_019fec0d-913f-7821-8882-2f97d6f51870" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnclassifiedIndefinitelivedIntangibleAssetsMember_019fec0d-913f-7960-865d-0df97c9e8005" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnclassifiedIndefinitelivedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7748-a246-8d96bfb5b14f" xlink:to="loc_us-gaap_UnclassifiedIndefinitelivedIntangibleAssetsMember_019fec0d-913f-7960-865d-0df97c9e8005" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-747e-9f7c-8ad4e488ae7a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019fec0d-913f-71d3-9699-4ed098fb771e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-747e-9f7c-8ad4e488ae7a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-747e-9f7c-8ad4e488ae7a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-747e-9f7c-8ad4e488ae7a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-747e-9f7c-8ad4e488ae7a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7e1e-b5d1-1c79e558d517" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019fec0d-913f-747e-9f7c-8ad4e488ae7a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7e1e-b5d1-1c79e558d517" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TaxIncentivesMember_019fec0d-913f-7299-86e8-9cfe8c9403cc" xlink:href="inn-20260930.xsd#inn_TaxIncentivesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7e1e-b5d1-1c79e558d517" xlink:to="loc_inn_TaxIncentivesMember_019fec0d-913f-7299-86e8-9cfe8c9403cc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_KeyMoneyMember_019fec0d-913f-7cbb-99ef-9289a7af9227" xlink:href="inn-20260930.xsd#inn_KeyMoneyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019fec0d-913f-7e1e-b5d1-1c79e558d517" xlink:to="loc_inn_KeyMoneyMember_019fec0d-913f-7cbb-99ef-9289a7af9227" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_019fec0d-913f-752e-a3c9-5277b3bbc66a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019fec0d-913f-7590-9373-f57dc4c70878" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_019fec0d-913f-752e-a3c9-5277b3bbc66a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019fec0d-913f-746f-bdbb-760b736a72e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_019fec0d-913f-752e-a3c9-5277b3bbc66a" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019fec0d-913f-746f-bdbb-760b736a72e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019fec0d-913f-7410-aa0e-64324b032c5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_019fec0d-913f-752e-a3c9-5277b3bbc66a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019fec0d-913f-7410-aa0e-64324b032c5c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019fec0d-913f-71db-9bc0-6a983873d3ec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_019fec0d-913f-752e-a3c9-5277b3bbc66a" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019fec0d-913f-71db-9bc0-6a983873d3ec" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019fec0d-913f-7bc3-90f5-82d01f72eec5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_019fec0d-913f-752e-a3c9-5277b3bbc66a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019fec0d-913f-7bc3-90f5-82d01f72eec5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019fec0d-913f-7fe1-a97f-06279f0305bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract_019fec0d-913f-752e-a3c9-5277b3bbc66a" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019fec0d-913f-7fe1-a97f-06279f0305bc" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/INVESTMENTINREALESTATELOANSDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#INVESTMENTINREALESTATELOANSDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/INVESTMENTINREALESTATELOANSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentCompanyFinancialHighlightsLineItems_019fec0d-913f-7e3d-b73a-97385eb288cf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentCompanyFinancialHighlightsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable_019fec0d-913f-7d9e-9ae8-baf446dc6927" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfImpairedFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InvestmentCompanyFinancialHighlightsLineItems_019fec0d-913f-7e3d-b73a-97385eb288cf" xlink:to="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable_019fec0d-913f-7d9e-9ae8-baf446dc6927" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-913f-76e1-8e46-f89dc21bcb5d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable_019fec0d-913f-7d9e-9ae8-baf446dc6927" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-913f-76e1-8e46-f89dc21bcb5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-913f-76e1-8e46-f89dc21bcb5d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-913f-76e1-8e46-f89dc21bcb5d" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-913f-76e1-8e46-f89dc21bcb5d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-913f-7b78-85d1-13c849ba2716" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_019fec0d-913f-76e1-8e46-f89dc21bcb5d" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-913f-7b78-85d1-13c849ba2716" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_MezzanineLoansMember_019fec0d-913f-7411-9064-49e5bccf0053" xlink:href="inn-20260930.xsd#inn_MezzanineLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-913f-7b78-85d1-13c849ba2716" xlink:to="loc_inn_MezzanineLoansMember_019fec0d-913f-7411-9064-49e5bccf0053" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_OneraMezzanineLoanMember_019fec0d-913f-7869-996e-086c7ae83671" xlink:href="inn-20260930.xsd#inn_OneraMezzanineLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_019fec0d-913f-7b78-85d1-13c849ba2716" xlink:to="loc_inn_OneraMezzanineLoanMember_019fec0d-913f-7869-996e-086c7ae83671" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-717d-ae3a-1ce73772df73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfImpairedFinancingReceivableTable_019fec0d-913f-7d9e-9ae8-baf446dc6927" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-717d-ae3a-1ce73772df73" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-717d-ae3a-1ce73772df73_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-717d-ae3a-1ce73772df73" xlink:to="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-717d-ae3a-1ce73772df73_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7cd8-b2ac-ce50010aac93" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-913f-717d-ae3a-1ce73772df73" xlink:to="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7cd8-b2ac-ce50010aac93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_019fec0d-913f-7340-9c9b-35c00ab84297" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AffiliatedEntityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fec0d-913f-7cd8-b2ac-ce50010aac93" xlink:to="loc_srt_AffiliatedEntityMember_019fec0d-913f-7340-9c9b-35c00ab84297" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LoansReceivableFundedAmount_019fec0d-913f-7183-ab83-a6b0b20218b4" xlink:href="inn-20260930.xsd#inn_LoansReceivableFundedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentCompanyFinancialHighlightsLineItems_019fec0d-913f-7e3d-b73a-97385eb288cf" xlink:to="loc_inn_LoansReceivableFundedAmount_019fec0d-913f-7183-ab83-a6b0b20218b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LoansReceivableTotalCommitments_019fec0d-913f-7e86-bc66-c07043025234" xlink:href="inn-20260930.xsd#inn_LoansReceivableTotalCommitments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentCompanyFinancialHighlightsLineItems_019fec0d-913f-7e3d-b73a-97385eb288cf" xlink:to="loc_inn_LoansReceivableTotalCommitments_019fec0d-913f-7e86-bc66-c07043025234" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FinancingReceivableInitialPurchaseOptionOwnershipPercentage_019fec0d-913f-7cbe-9d76-9f46d1119fbb" xlink:href="inn-20260930.xsd#inn_FinancingReceivableInitialPurchaseOptionOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentCompanyFinancialHighlightsLineItems_019fec0d-913f-7e3d-b73a-97385eb288cf" xlink:to="loc_inn_FinancingReceivableInitialPurchaseOptionOwnershipPercentage_019fec0d-913f-7cbe-9d76-9f46d1119fbb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FinancingReceivablePurchaseOptions_019fec0d-913f-747f-bc1b-149f9549f9f7" xlink:href="inn-20260930.xsd#inn_FinancingReceivablePurchaseOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentCompanyFinancialHighlightsLineItems_019fec0d-913f-7e3d-b73a-97385eb288cf" xlink:to="loc_inn_FinancingReceivablePurchaseOptions_019fec0d-913f-747f-bc1b-149f9549f9f7" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTScheduleofDebtDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTScheduleofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTScheduleofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7bd2-9d7e-532d750ee298" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7836-9cea-e525ff6d70f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7bd2-9d7e-532d750ee298" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7836-9cea-e525ff6d70f6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7b86-b530-b147336bc308" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7836-9cea-e525ff6d70f6" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7b86-b530-b147336bc308" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7b86-b530-b147336bc308_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7b86-b530-b147336bc308" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7b86-b530-b147336bc308_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7213-8fa1-a41b21643b7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7b86-b530-b147336bc308" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7213-8fa1-a41b21643b7b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TotalRevolvingCreditFacilityMember_019fec0d-913f-7c36-9c86-51127e6c2de7" xlink:href="inn-20260930.xsd#inn_TotalRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7213-8fa1-a41b21643b7b" xlink:to="loc_inn_TotalRevolvingCreditFacilityMember_019fec0d-913f-7c36-9c86-51127e6c2de7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TotalTermLoansMember_019fec0d-913f-75bf-a4e3-b5c1da830840" xlink:href="inn-20260930.xsd#inn_TotalTermLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7213-8fa1-a41b21643b7b" xlink:to="loc_inn_TotalTermLoansMember_019fec0d-913f-75bf-a4e3-b5c1da830840" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7128-afbd-8f17d7769fea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7836-9cea-e525ff6d70f6" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7128-afbd-8f17d7769fea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7128-afbd-8f17d7769fea_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7128-afbd-8f17d7769fea" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7128-afbd-8f17d7769fea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7379-9de8-a34133d01be4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7128-afbd-8f17d7769fea" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7379-9de8-a34133d01be4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7c02-8de6-2049701d601a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7379-9de8-a34133d01be4" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7c02-8de6-2049701d601a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-7f36-a1bb-62ebd3ba1278" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7379-9de8-a34133d01be4" xlink:to="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-7f36-a1bb-62ebd3ba1278" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgagesMember_019fec0d-913f-749c-bb5c-b7d02dd9714d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MortgagesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7379-9de8-a34133d01be4" xlink:to="loc_us-gaap_MortgagesMember_019fec0d-913f-749c-bb5c-b7d02dd9714d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-731a-a51c-4cb6e3a81600" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7bd2-9d7e-532d750ee298" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-731a-a51c-4cb6e3a81600" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019fec0d-913f-7d33-821d-cbfba3e37ddf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7bd2-9d7e-532d750ee298" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_019fec0d-913f-7d33-821d-cbfba3e37ddf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fec0d-913f-76ef-bc1d-26782a276a81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7bd2-9d7e-532d750ee298" xlink:to="loc_us-gaap_LongTermDebt_019fec0d-913f-76ef-bc1d-26782a276a81" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTFixedRateandVariableRateDebtafterGivingEffecttoInterestRateDerivativesDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTFixedRateandVariableRateDebtafterGivingEffecttoInterestRateDerivativesDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTFixedRateandVariableRateDebtafterGivingEffecttoInterestRateDerivativesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-75f8-8908-6ebb781ba2c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7daa-872f-acb5ccdfeaaa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-75f8-8908-6ebb781ba2c0" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7daa-872f-acb5ccdfeaaa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-73bf-a35b-ffb7fbd08f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7daa-872f-acb5ccdfeaaa" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-73bf-a35b-ffb7fbd08f5e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-73bf-a35b-ffb7fbd08f5e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-73bf-a35b-ffb7fbd08f5e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-73bf-a35b-ffb7fbd08f5e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-731a-8c43-c98b6068d100" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-73bf-a35b-ffb7fbd08f5e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-731a-8c43-c98b6068d100" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_WhollyOwnedPropertiesAndJointVentureDebtMember_019fec0d-913f-7864-80d0-8cec1769cbd8" xlink:href="inn-20260930.xsd#inn_WhollyOwnedPropertiesAndJointVentureDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-731a-8c43-c98b6068d100" xlink:to="loc_inn_WhollyOwnedPropertiesAndJointVentureDebtMember_019fec0d-913f-7864-80d0-8cec1769cbd8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtPercentageBearingFixedInterestAmount_019fec0d-913f-76e2-9d0e-bcf05f491f37" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtPercentageBearingFixedInterestAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-75f8-8908-6ebb781ba2c0" xlink:to="loc_us-gaap_LongtermDebtPercentageBearingFixedInterestAmount_019fec0d-913f-76e2-9d0e-bcf05f491f37" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_019fec0d-913f-7621-92bf-12e1a2e2cd3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtPercentageBearingFixedInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-75f8-8908-6ebb781ba2c0" xlink:to="loc_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_019fec0d-913f-7621-92bf-12e1a2e2cd3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtPercentageBearingVariableInterestAmount_019fec0d-913f-7845-b6d1-0e80e4597bee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtPercentageBearingVariableInterestAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-75f8-8908-6ebb781ba2c0" xlink:to="loc_us-gaap_LongtermDebtPercentageBearingVariableInterestAmount_019fec0d-913f-7845-b6d1-0e80e4597bee" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_019fec0d-913f-7a45-9d13-6072757fee4e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtPercentageBearingVariableInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-75f8-8908-6ebb781ba2c0" xlink:to="loc_us-gaap_LongTermDebtPercentageBearingVariableInterestRate_019fec0d-913f-7a45-9d13-6072757fee4e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-7efd-b4f6-806de1bbd88c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-75f8-8908-6ebb781ba2c0" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-7efd-b4f6-806de1bbd88c" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTFairValueofFixedRateDebtnotRecordedatFairValueDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTFairValueofFixedRateDebtnotRecordedatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTFairValueofFixedRateDebtnotRecordedatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fec0d-913f-7552-b1df-a995c0a916d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fec0d-913f-78ac-ada4-3b3c813e5c60" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fec0d-913f-7552-b1df-a995c0a916d3" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fec0d-913f-78ac-ada4-3b3c813e5c60" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_019fec0d-913f-78c7-81b9-92630beb31ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fec0d-913f-78ac-ada4-3b3c813e5c60" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_019fec0d-913f-78c7-81b9-92630beb31ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fec0d-913f-78c7-81b9-92630beb31ab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019fec0d-913f-78c7-81b9-92630beb31ab" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fec0d-913f-78c7-81b9-92630beb31ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fec0d-913f-7b9e-aeb5-06a1d91c1cb4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_019fec0d-913f-78c7-81b9-92630beb31ab" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fec0d-913f-7b9e-aeb5-06a1d91c1cb4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fec0d-913f-77c5-828b-6423e4cd6de7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_019fec0d-913f-7b9e-aeb5-06a1d91c1cb4" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fec0d-913f-77c5-828b-6423e4cd6de7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019fec0d-913f-7383-bce1-8895e98356a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fec0d-913f-77c5-828b-6423e4cd6de7" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_019fec0d-913f-7383-bce1-8895e98356a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019fec0d-913f-7432-839c-df967a2e4458" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_019fec0d-913f-77c5-828b-6423e4cd6de7" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_019fec0d-913f-7432-839c-df967a2e4458" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-913f-7532-9919-efa1b83366a1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fec0d-913f-78ac-ada4-3b3c813e5c60" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-913f-7532-9919-efa1b83366a1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-913f-7532-9919-efa1b83366a1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-913f-7532-9919-efa1b83366a1" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-913f-7532-9919-efa1b83366a1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-913f-72a3-b8bf-f9cb14185659" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-913f-7532-9919-efa1b83366a1" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-913f-72a3-b8bf-f9cb14185659" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019fec0d-913f-7f14-8636-80ba11484093" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-913f-72a3-b8bf-f9cb14185659" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019fec0d-913f-7f14-8636-80ba11484093" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019fec0d-913f-79b5-8772-cafefd3c8c46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-913f-72a3-b8bf-f9cb14185659" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019fec0d-913f-79b5-8772-cafefd3c8c46" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7ba2-8998-9704b47f2186" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fec0d-913f-78ac-ada4-3b3c813e5c60" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7ba2-8998-9704b47f2186" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7ba2-8998-9704b47f2186_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7ba2-8998-9704b47f2186" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7ba2-8998-9704b47f2186_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e4b-8d02-8c3eb7699ab9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7ba2-8998-9704b47f2186" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e4b-8d02-8c3eb7699ab9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-7494-96a1-6fed38987513" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e4b-8d02-8c3eb7699ab9" xlink:to="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-7494-96a1-6fed38987513" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgagesMember_019fec0d-913f-7081-bf6c-a8366d9cdc07" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MortgagesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e4b-8d02-8c3eb7699ab9" xlink:to="loc_us-gaap_MortgagesMember_019fec0d-913f-7081-bf6c-a8366d9cdc07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_019fec0d-913f-747b-a106-95cce66323d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fec0d-913f-7552-b1df-a995c0a916d3" xlink:to="loc_us-gaap_DebtInstrumentFairValue_019fec0d-913f-747b-a106-95cce66323d3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTScheduleofOutstandingIndebtednessDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTScheduleofOutstandingIndebtednessDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTScheduleofOutstandingIndebtednessDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-74a5-91c3-a4714e45ccf5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-74a5-91c3-a4714e45ccf5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-74a5-91c3-a4714e45ccf5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-74a5-91c3-a4714e45ccf5" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-74a5-91c3-a4714e45ccf5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-74a5-91c3-a4714e45ccf5" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A2026SeniorCreditFacilityMember_019fec0d-913f-79a0-896d-2e9cf7ec2eaf" xlink:href="inn-20260930.xsd#inn_A2026SeniorCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:to="loc_inn_A2026SeniorCreditFacilityMember_019fec0d-913f-79a0-896d-2e9cf7ec2eaf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TermLoansMember_019fec0d-913f-700d-93ca-bf1a884d87e9" xlink:href="inn-20260930.xsd#inn_TermLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:to="loc_inn_TermLoansMember_019fec0d-913f-700d-93ca-bf1a884d87e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_RegionsBank2024TermLoanFacilityDueFebruary262027Member_019fec0d-913f-72b2-b615-60a4f6a1b5f8" xlink:href="inn-20260930.xsd#inn_RegionsBank2024TermLoanFacilityDueFebruary262027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_TermLoansMember_019fec0d-913f-700d-93ca-bf1a884d87e9" xlink:to="loc_inn_RegionsBank2024TermLoanFacilityDueFebruary262027Member_019fec0d-913f-72b2-b615-60a4f6a1b5f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A5.76DelayedDrawTermLoanFacilityDueMarch272028Member_019fec0d-913f-70a1-b33e-e4f7232fff6f" xlink:href="inn-20260930.xsd#inn_A5.76DelayedDrawTermLoanFacilityDueMarch272028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_TermLoansMember_019fec0d-913f-700d-93ca-bf1a884d87e9" xlink:to="loc_inn_A5.76DelayedDrawTermLoanFacilityDueMarch272028Member_019fec0d-913f-70a1-b33e-e4f7232fff6f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A150ConvertibleSeniorNotesMember_019fec0d-913f-723e-994f-8d1e6cedfce9" xlink:href="inn-20260930.xsd#inn_A150ConvertibleSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:to="loc_inn_A150ConvertibleSeniorNotesMember_019fec0d-913f-723e-994f-8d1e6cedfce9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_WellsFargoBankN.A.VariableDueMay152028Member_019fec0d-913f-7e59-bc8e-000b45963057" xlink:href="inn-20260930.xsd#inn_WellsFargoBankN.A.VariableDueMay152028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:to="loc_inn_WellsFargoBankN.A.VariableDueMay152028Member_019fec0d-913f-7e59-bc8e-000b45963057" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BrickellJointVentureMortgageLoansMember_019fec0d-913f-77fd-9462-d2345c1c342b" xlink:href="inn-20260930.xsd#inn_BrickellJointVentureMortgageLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:to="loc_inn_BrickellJointVentureMortgageLoansMember_019fec0d-913f-77fd-9462-d2345c1c342b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:href="inn-20260930.xsd#inn_JointVentureCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7a88-ab42-c14d4a2f2595" xlink:to="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A125MillionRevolvingCreditFacilityMember_019fec0d-913f-7416-afb6-419f3cff195c" xlink:href="inn-20260930.xsd#inn_A125MillionRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:to="loc_inn_A125MillionRevolvingCreditFacilityMember_019fec0d-913f-7416-afb6-419f3cff195c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A125MillionTermLoanMember_019fec0d-913f-754c-97eb-8f5adaf8ec13" xlink:href="inn-20260930.xsd#inn_A125MillionTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:to="loc_inn_A125MillionTermLoanMember_019fec0d-913f-754c-97eb-8f5adaf8ec13" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BankOfAmericaN.AVariableDueJuly242028Member_019fec0d-913f-7054-9a55-53355a3a08f1" xlink:href="inn-20260930.xsd#inn_BankOfAmericaN.AVariableDueJuly242028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:to="loc_inn_BankOfAmericaN.AVariableDueJuly242028Member_019fec0d-913f-7054-9a55-53355a3a08f1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TermLoansWithWellsFargoDueJune62028Member_019fec0d-913f-70b8-b0db-a1baf55b0847" xlink:href="inn-20260930.xsd#inn_TermLoansWithWellsFargoDueJune62028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:to="loc_inn_TermLoansWithWellsFargoDueJune62028Member_019fec0d-913f-70b8-b0db-a1baf55b0847" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PACELoanMember_019fec0d-913f-71ed-aa77-286983bdb40b" xlink:href="inn-20260930.xsd#inn_PACELoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:to="loc_inn_PACELoanMember_019fec0d-913f-71ed-aa77-286983bdb40b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_GICJointVentureCreditFacilityAndTermLoansMember_019fec0d-913f-7e86-b979-ae03783ca99a" xlink:href="inn-20260930.xsd#inn_GICJointVentureCreditFacilityAndTermLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-70a4-b480-0246ea69b681" xlink:to="loc_inn_GICJointVentureCreditFacilityAndTermLoansMember_019fec0d-913f-7e86-b979-ae03783ca99a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-76cb-8423-cafec1b00eab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:to="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-76cb-8423-cafec1b00eab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-76cb-8423-cafec1b00eab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-76cb-8423-cafec1b00eab" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-76cb-8423-cafec1b00eab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-75b7-855b-a3f897c7ae22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-76cb-8423-cafec1b00eab" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-75b7-855b-a3f897c7ae22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-7b48-bf3a-844514241f35" xlink:href="inn-20260930.xsd#inn_RevolvingCreditFacilityFourHundredMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-75b7-855b-a3f897c7ae22" xlink:to="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-7b48-bf3a-844514241f35" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TermLoanTwoHundredMillionMember_019fec0d-913f-76aa-a2a9-fd55fdd213c2" xlink:href="inn-20260930.xsd#inn_TermLoanTwoHundredMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-75b7-855b-a3f897c7ae22" xlink:to="loc_inn_TermLoanTwoHundredMillionMember_019fec0d-913f-76aa-a2a9-fd55fdd213c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DelayedDrawTermLoanFiftyMillionJune2026Member_019fec0d-913f-76f2-b92d-86c8eea760c3" xlink:href="inn-20260930.xsd#inn_DelayedDrawTermLoanFiftyMillionJune2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-75b7-855b-a3f897c7ae22" xlink:to="loc_inn_DelayedDrawTermLoanFiftyMillionJune2026Member_019fec0d-913f-76f2-b92d-86c8eea760c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-71cf-a19a-021fe9c2b94c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-75b7-855b-a3f897c7ae22" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-71cf-a19a-021fe9c2b94c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7455-800f-0a4758289014" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7455-800f-0a4758289014" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7455-800f-0a4758289014_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7455-800f-0a4758289014" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7455-800f-0a4758289014_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7c0a-942c-2756da8884cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7455-800f-0a4758289014" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7c0a-942c-2756da8884cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-73a0-befc-0e390e09425e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7c0a-942c-2756da8884cb" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-73a0-befc-0e390e09425e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-7d04-bcea-e99aebf3aca7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7c0a-942c-2756da8884cb" xlink:to="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-7d04-bcea-e99aebf3aca7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansPayableMember_019fec0d-913f-70d8-b519-dcc5c566ca86" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LoansPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7c0a-942c-2756da8884cb" xlink:to="loc_us-gaap_LoansPayableMember_019fec0d-913f-70d8-b519-dcc5c566ca86" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgagesMember_019fec0d-913f-76db-bec6-91b8696ad585" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MortgagesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7c0a-942c-2756da8884cb" xlink:to="loc_us-gaap_MortgagesMember_019fec0d-913f-76db-bec6-91b8696ad585" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7b11-a0fa-055757e6bdcb" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7b11-a0fa-055757e6bdcb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-7b11-a0fa-055757e6bdcb_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7b11-a0fa-055757e6bdcb" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-7b11-a0fa-055757e6bdcb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-74d7-b46c-d5f2d132f326" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7b11-a0fa-055757e6bdcb" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-74d7-b46c-d5f2d132f326" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureWithGICMember_019fec0d-913f-7d22-87af-8869964edf7e" xlink:href="inn-20260930.xsd#inn_JointVentureWithGICMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-74d7-b46c-d5f2d132f326" xlink:to="loc_inn_JointVentureWithGICMember_019fec0d-913f-7d22-87af-8869964edf7e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-70de-b05f-b96170d84309" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-70de-b05f-b96170d84309" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-70de-b05f-b96170d84309_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-70de-b05f-b96170d84309" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-70de-b05f-b96170d84309_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-7ce8-a3cc-71852ee9037d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-70de-b05f-b96170d84309" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-7ce8-a3cc-71852ee9037d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_HotelMember_019fec0d-913f-7820-90fd-0b896c3c51d8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_HotelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-7ce8-a3cc-71852ee9037d" xlink:to="loc_srt_HotelMember_019fec0d-913f-7820-90fd-0b896c3c51d8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-7329-8ec4-98ae6ad2010c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-7329-8ec4-98ae6ad2010c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-7329-8ec4-98ae6ad2010c_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-7329-8ec4-98ae6ad2010c" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-7329-8ec4-98ae6ad2010c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-76c4-b6a5-d55be405ad5a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-7329-8ec4-98ae6ad2010c" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-76c4-b6a5-d55be405ad5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NCITransactionMember_019fec0d-913f-74b2-a8d6-87c7f8bb8fca" xlink:href="inn-20260930.xsd#inn_NCITransactionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-76c4-b6a5-d55be405ad5a" xlink:to="loc_inn_NCITransactionMember_019fec0d-913f-74b2-a8d6-87c7f8bb8fca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7c03-a948-7fc569a6cd16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-78c4-91ce-1206e9d515af" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7c03-a948-7fc569a6cd16" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-7c03-a948-7fc569a6cd16_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7c03-a948-7fc569a6cd16" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-7c03-a948-7fc569a6cd16_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-7d9a-9252-b4d5c0161042" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7c03-a948-7fc569a6cd16" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-7d9a-9252-b4d5c0161042" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember_019fec0d-913f-7cd5-865c-aa9908249224" xlink:href="inn-20260930.xsd#inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-7d9a-9252-b4d5c0161042" xlink:to="loc_inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember_019fec0d-913f-7cd5-865c-aa9908249224" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-7cb4-9890-04c18886b897" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-7cb4-9890-04c18886b897" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7f15-b56b-254f87e5e418" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7f15-b56b-254f87e5e418" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-75ae-83a0-26417a0505fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-75ae-83a0-26417a0505fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_MortgageLoansOnRealEstateNumberOfRealEstatePropertiesEncumbered_019fec0d-913f-7640-8267-484d8b67b38c" xlink:href="inn-20260930.xsd#inn_MortgageLoansOnRealEstateNumberOfRealEstatePropertiesEncumbered"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_inn_MortgageLoansOnRealEstateNumberOfRealEstatePropertiesEncumbered_019fec0d-913f-7640-8267-484d8b67b38c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-7201-b4ef-3dfe1acc79f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-7201-b4ef-3dfe1acc79f2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NumberOfUnencumberedHotelProperties_019fec0d-913f-70bf-bfae-c2d7e427a860" xlink:href="inn-20260930.xsd#inn_NumberOfUnencumberedHotelProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_inn_NumberOfUnencumberedHotelProperties_019fec0d-913f-70bf-bfae-c2d7e427a860" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-913f-75bb-aa89-6ac0aead0018" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-913f-75bb-aa89-6ac0aead0018" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-913f-7f1f-82f7-73a351386af6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfUnitsInRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7b73-8784-2df281b0be38" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-913f-7f1f-82f7-73a351386af6" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBT650MillionSeniorCreditandTermLoanFacilityDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBT650MillionSeniorCreditandTermLoanFacilityDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBT650MillionSeniorCreditandTermLoanFacilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-703e-a6d3-937cae8d6aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-703e-a6d3-937cae8d6aa0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7d6f-9823-f1b0b65aa15e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-703e-a6d3-937cae8d6aa0" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7d6f-9823-f1b0b65aa15e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7d6f-9823-f1b0b65aa15e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7d6f-9823-f1b0b65aa15e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7d6f-9823-f1b0b65aa15e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-793e-a67c-5eae2a3d2604" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7d6f-9823-f1b0b65aa15e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-793e-a67c-5eae2a3d2604" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A2026SeniorCreditFacilityMember_019fec0d-913f-78ef-b0bd-3ed128fc980a" xlink:href="inn-20260930.xsd#inn_A2026SeniorCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-793e-a67c-5eae2a3d2604" xlink:to="loc_inn_A2026SeniorCreditFacilityMember_019fec0d-913f-78ef-b0bd-3ed128fc980a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DelayedDrawTermLoanFiftyMillionJune2026Member_019fec0d-913f-76e4-859f-a234277f8613" xlink:href="inn-20260930.xsd#inn_DelayedDrawTermLoanFiftyMillionJune2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-793e-a67c-5eae2a3d2604" xlink:to="loc_inn_DelayedDrawTermLoanFiftyMillionJune2026Member_019fec0d-913f-76e4-859f-a234277f8613" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A2023SeniorCreditFacilitySixHundredMillionMember_019fec0d-913f-732a-aa25-8fc204d6b0de" xlink:href="inn-20260930.xsd#inn_A2023SeniorCreditFacilitySixHundredMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-793e-a67c-5eae2a3d2604" xlink:to="loc_inn_A2023SeniorCreditFacilitySixHundredMillionMember_019fec0d-913f-732a-aa25-8fc204d6b0de" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7171-9363-754e52bb4caf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-703e-a6d3-937cae8d6aa0" xlink:to="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7171-9363-754e52bb4caf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7171-9363-754e52bb4caf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7171-9363-754e52bb4caf" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7171-9363-754e52bb4caf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-784c-b793-9c5b6dc8c23e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7171-9363-754e52bb4caf" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-784c-b793-9c5b6dc8c23e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-7f94-94f6-de3aea90d324" xlink:href="inn-20260930.xsd#inn_RevolvingCreditFacilityFourHundredMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-784c-b793-9c5b6dc8c23e" xlink:to="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-7f94-94f6-de3aea90d324" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TermLoanTwoHundredMillionMember_019fec0d-913f-7184-b1c9-543c86ff6949" xlink:href="inn-20260930.xsd#inn_TermLoanTwoHundredMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-784c-b793-9c5b6dc8c23e" xlink:to="loc_inn_TermLoanTwoHundredMillionMember_019fec0d-913f-7184-b1c9-543c86ff6949" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DelayedDrawTermLoanFiftyMillionJune2026Member_019fec0d-913f-7e40-96e2-745f7d24129c" xlink:href="inn-20260930.xsd#inn_DelayedDrawTermLoanFiftyMillionJune2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-784c-b793-9c5b6dc8c23e" xlink:to="loc_inn_DelayedDrawTermLoanFiftyMillionJune2026Member_019fec0d-913f-7e40-96e2-745f7d24129c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-7d0b-ab0e-84026123e99d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-784c-b793-9c5b6dc8c23e" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-7d0b-ab0e-84026123e99d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7f7a-ae7c-37b26fb58a69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-703e-a6d3-937cae8d6aa0" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7f7a-ae7c-37b26fb58a69" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7f7a-ae7c-37b26fb58a69_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7f7a-ae7c-37b26fb58a69" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7f7a-ae7c-37b26fb58a69_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e65-a61c-12a744a49cad" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7f7a-ae7c-37b26fb58a69" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e65-a61c-12a744a49cad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7342-bfb3-4203d49022fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e65-a61c-12a744a49cad" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7342-bfb3-4203d49022fe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019fec0d-913f-7284-8bfa-9d4b444c37c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7e65-a61c-12a744a49cad" xlink:to="loc_us-gaap_LineOfCreditMember_019fec0d-913f-7284-8bfa-9d4b444c37c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-913f-7425-8499-43843d54a23d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-703e-a6d3-937cae8d6aa0" xlink:to="loc_srt_RangeAxis_019fec0d-913f-7425-8499-43843d54a23d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-913f-7425-8499-43843d54a23d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-913f-7425-8499-43843d54a23d" xlink:to="loc_srt_RangeMember_019fec0d-913f-7425-8499-43843d54a23d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-913f-7e54-8406-3dbdd80c3d28" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-913f-7425-8499-43843d54a23d" xlink:to="loc_srt_RangeMember_019fec0d-913f-7e54-8406-3dbdd80c3d28" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fec0d-913f-75ec-acb9-492cdd210929" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-913f-7e54-8406-3dbdd80c3d28" xlink:to="loc_srt_MinimumMember_019fec0d-913f-75ec-acb9-492cdd210929" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fec0d-913f-7172-a704-bd4f54ce4149" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-913f-7e54-8406-3dbdd80c3d28" xlink:to="loc_srt_MaximumMember_019fec0d-913f-7172-a704-bd4f54ce4149" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_019fec0d-913f-75c6-8b06-5803115f6a9b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-703e-a6d3-937cae8d6aa0" xlink:to="loc_us-gaap_VariableRateAxis_019fec0d-913f-75c6-8b06-5803115f6a9b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fec0d-913f-75c6-8b06-5803115f6a9b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_019fec0d-913f-75c6-8b06-5803115f6a9b" xlink:to="loc_us-gaap_VariableRateDomain_019fec0d-913f-75c6-8b06-5803115f6a9b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fec0d-913f-7608-add3-c8a1435ba5cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_019fec0d-913f-75c6-8b06-5803115f6a9b" xlink:to="loc_us-gaap_VariableRateDomain_019fec0d-913f-7608-add3-c8a1435ba5cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019fec0d-913f-7d8a-83db-45c87c217cca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fec0d-913f-7608-add3-c8a1435ba5cd" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019fec0d-913f-7d8a-83db-45c87c217cca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_019fec0d-913f-7d9b-863d-12addb31e279" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FederalFundsEffectiveSwapRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fec0d-913f-7608-add3-c8a1435ba5cd" xlink:to="loc_us-gaap_FederalFundsEffectiveSwapRateMember_019fec0d-913f-7d9b-863d-12addb31e279" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_019fec0d-913f-716b-b4c0-cbbacf230ac2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fec0d-913f-7608-add3-c8a1435ba5cd" xlink:to="loc_us-gaap_BaseRateMember_019fec0d-913f-716b-b4c0-cbbacf230ac2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-76a0-a8c2-3a676cb630b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-76a0-a8c2-3a676cb630b1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7fc4-a411-ca5907bb8b50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7fc4-a411-ca5907bb8b50" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LineOfCreditFacilityAccordionFeatureIncreaseLimit_019fec0d-913f-73b0-b819-c65e22549bfc" xlink:href="inn-20260930.xsd#inn_LineOfCreditFacilityAccordionFeatureIncreaseLimit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_inn_LineOfCreditFacilityAccordionFeatureIncreaseLimit_019fec0d-913f-73b0-b819-c65e22549bfc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LineOfCreditFacilityNumberOfExtensionPeriods_019fec0d-913f-73aa-ac63-a9fefe68fdc4" xlink:href="inn-20260930.xsd#inn_LineOfCreditFacilityNumberOfExtensionPeriods"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_inn_LineOfCreditFacilityNumberOfExtensionPeriods_019fec0d-913f-73aa-ac63-a9fefe68fdc4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-913f-7622-a4ca-aac3565e4837" xlink:href="inn-20260930.xsd#inn_DebtInstrumentExtensionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-913f-7622-a4ca-aac3565e4837" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-7395-84d6-f0a64d50b550" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-7395-84d6-f0a64d50b550" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019fec0d-913f-7d26-b5a0-99ca86c677c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019fec0d-913f-7d26-b5a0-99ca86c677c5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fec0d-913f-7399-9a78-b0c223fd91cc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_LongTermDebt_019fec0d-913f-7399-9a78-b0c223fd91cc" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019fec0d-913f-7f2d-9137-8e055d4267c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_019fec0d-913f-7f2d-9137-8e055d4267c2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_019fec0d-913f-77da-8b62-9f0acca98315" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_019fec0d-913f-77da-8b62-9f0acca98315" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageRateThreshold_019fec0d-913f-777c-b88a-4fcf2696f0f0" xlink:href="inn-20260930.xsd#inn_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageRateThreshold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-76ab-b9ce-beae812493f7" xlink:to="loc_inn_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageRateThreshold_019fec0d-913f-777c-b88a-4fcf2696f0f0" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBT2024TermLoansDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBT2024TermLoansDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBT2024TermLoansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7682-ba59-1d1714b81b42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7682-ba59-1d1714b81b42" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7c5b-9262-0e120aaa1445" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7682-ba59-1d1714b81b42" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7c5b-9262-0e120aaa1445" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7c5b-9262-0e120aaa1445_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7c5b-9262-0e120aaa1445" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7c5b-9262-0e120aaa1445_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7d4f-8982-7fc6c271a27f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7c5b-9262-0e120aaa1445" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7d4f-8982-7fc6c271a27f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A2024TermLoanMember_019fec0d-913f-7113-b1be-0a2d904b86a8" xlink:href="inn-20260930.xsd#inn_A2024TermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7d4f-8982-7fc6c271a27f" xlink:to="loc_inn_A2024TermLoanMember_019fec0d-913f-7113-b1be-0a2d904b86a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-7207-b0a9-866f1ab09964" xlink:href="inn-20260930.xsd#inn_RevolvingCreditFacilityFourHundredMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7d4f-8982-7fc6c271a27f" xlink:to="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-7207-b0a9-866f1ab09964" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7edc-9b02-4ff46bb87885" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7682-ba59-1d1714b81b42" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7edc-9b02-4ff46bb87885" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7edc-9b02-4ff46bb87885_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7edc-9b02-4ff46bb87885" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7edc-9b02-4ff46bb87885_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-747c-b839-d13241502ac9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7edc-9b02-4ff46bb87885" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-747c-b839-d13241502ac9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7bf0-bfa9-925024f7a9b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-747c-b839-d13241502ac9" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7bf0-bfa9-925024f7a9b5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-913f-7981-b358-5716af64e7e2" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7682-ba59-1d1714b81b42" xlink:to="loc_srt_RangeAxis_019fec0d-913f-7981-b358-5716af64e7e2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-913f-7981-b358-5716af64e7e2_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-913f-7981-b358-5716af64e7e2" xlink:to="loc_srt_RangeMember_019fec0d-913f-7981-b358-5716af64e7e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-913f-727b-9649-fda32a68f59d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-913f-7981-b358-5716af64e7e2" xlink:to="loc_srt_RangeMember_019fec0d-913f-727b-9649-fda32a68f59d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fec0d-913f-75a2-ade9-720c58fe47d0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-913f-727b-9649-fda32a68f59d" xlink:to="loc_srt_MinimumMember_019fec0d-913f-75a2-ade9-720c58fe47d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fec0d-913f-7dae-ab09-c1ab99cd7590" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-913f-727b-9649-fda32a68f59d" xlink:to="loc_srt_MaximumMember_019fec0d-913f-7dae-ab09-c1ab99cd7590" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-748b-a933-772210268238" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-748b-a933-772210268238" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-7ccf-a73b-304f3ece32d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-7ccf-a73b-304f3ece32d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentBasisSpreadOnVariableRateIncreaseDecrease_01a1847f-6e2a-72b5-bd4f-eb387d89d934" xlink:href="inn-20260930.xsd#inn_DebtInstrumentBasisSpreadOnVariableRateIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_inn_DebtInstrumentBasisSpreadOnVariableRateIncreaseDecrease_01a1847f-6e2a-72b5-bd4f-eb387d89d934" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LineOfCreditFacilityNumberOfExtensionPeriods_019fec0d-913f-7bbd-ba5f-ccae72684016" xlink:href="inn-20260930.xsd#inn_LineOfCreditFacilityNumberOfExtensionPeriods"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_inn_LineOfCreditFacilityNumberOfExtensionPeriods_019fec0d-913f-7bbd-ba5f-ccae72684016" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-913f-75ad-9904-9804544a68c6" xlink:href="inn-20260930.xsd#inn_DebtInstrumentExtensionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-913f-75ad-9904-9804544a68c6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_01a14417-047c-7f17-84aa-04be0033b39c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_01a14417-047c-7f17-84aa-04be0033b39c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentBasisSpreadOnVariableRateFloor_019fec0d-913f-798f-bcec-466e62691f3a" xlink:href="inn-20260930.xsd#inn_DebtInstrumentBasisSpreadOnVariableRateFloor"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_inn_DebtInstrumentBasisSpreadOnVariableRateFloor_019fec0d-913f-798f-bcec-466e62691f3a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-7539-a8aa-75ae6a6592f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-7539-a8aa-75ae6a6592f2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-7890-af2d-1fdaef2ac23f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-738d-9e74-363dfe95de15" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-7890-af2d-1fdaef2ac23f" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBT2025DelayedDrawTermLoanDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBT2025DelayedDrawTermLoanDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBT2025DelayedDrawTermLoanDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-79fd-9d67-90aa09b0e2ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-79fd-9d67-90aa09b0e2ab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7881-b042-85578ee3eca7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-79fd-9d67-90aa09b0e2ab" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7881-b042-85578ee3eca7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7881-b042-85578ee3eca7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7881-b042-85578ee3eca7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7881-b042-85578ee3eca7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-735d-94ba-7534d57059c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7881-b042-85578ee3eca7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-735d-94ba-7534d57059c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A5.76DelayedDrawTermLoanFacilityDueMarch272028Member_019fec0d-913f-7c18-bcef-9cf44ffe0f38" xlink:href="inn-20260930.xsd#inn_A5.76DelayedDrawTermLoanFacilityDueMarch272028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-735d-94ba-7534d57059c8" xlink:to="loc_inn_A5.76DelayedDrawTermLoanFacilityDueMarch272028Member_019fec0d-913f-7c18-bcef-9cf44ffe0f38" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7278-a9e5-882b18bfb3c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-79fd-9d67-90aa09b0e2ab" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7278-a9e5-882b18bfb3c2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7278-a9e5-882b18bfb3c2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7278-a9e5-882b18bfb3c2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7278-a9e5-882b18bfb3c2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-73b5-a9a2-5244b0bf9fef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7278-a9e5-882b18bfb3c2" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-73b5-a9a2-5244b0bf9fef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7cf3-b1e5-e4dc8aba0653" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-73b5-a9a2-5244b0bf9fef" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7cf3-b1e5-e4dc8aba0653" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-913f-754a-a7ec-6ed75eb8f41b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-79fd-9d67-90aa09b0e2ab" xlink:to="loc_srt_RangeAxis_019fec0d-913f-754a-a7ec-6ed75eb8f41b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-913f-754a-a7ec-6ed75eb8f41b_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-913f-754a-a7ec-6ed75eb8f41b" xlink:to="loc_srt_RangeMember_019fec0d-913f-754a-a7ec-6ed75eb8f41b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-913f-74c6-b20d-8f2fdca735c4" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-913f-754a-a7ec-6ed75eb8f41b" xlink:to="loc_srt_RangeMember_019fec0d-913f-74c6-b20d-8f2fdca735c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fec0d-913f-7bbd-ba57-a6b742e406e3" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-913f-74c6-b20d-8f2fdca735c4" xlink:to="loc_srt_MinimumMember_019fec0d-913f-7bbd-ba57-a6b742e406e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fec0d-913f-7b48-891c-2f360d2a1c58" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-913f-74c6-b20d-8f2fdca735c4" xlink:to="loc_srt_MaximumMember_019fec0d-913f-7b48-891c-2f360d2a1c58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_019fec0d-913f-73dc-9331-acd0f2328880" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-79fd-9d67-90aa09b0e2ab" xlink:to="loc_us-gaap_VariableRateAxis_019fec0d-913f-73dc-9331-acd0f2328880" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fec0d-913f-73dc-9331-acd0f2328880_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_019fec0d-913f-73dc-9331-acd0f2328880" xlink:to="loc_us-gaap_VariableRateDomain_019fec0d-913f-73dc-9331-acd0f2328880_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fec0d-913f-7f3e-8571-a2d922242145" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_019fec0d-913f-73dc-9331-acd0f2328880" xlink:to="loc_us-gaap_VariableRateDomain_019fec0d-913f-7f3e-8571-a2d922242145" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019fec0d-913f-7fdb-8017-b3fb45478b3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fec0d-913f-7f3e-8571-a2d922242145" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_019fec0d-913f-7fdb-8017-b3fb45478b3a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_019fec0d-913f-7afc-91d4-674f9c6c3146" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fec0d-913f-7f3e-8571-a2d922242145" xlink:to="loc_us-gaap_BaseRateMember_019fec0d-913f-7afc-91d4-674f9c6c3146" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7fef-bc4d-82269a0ae725" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-79fd-9d67-90aa09b0e2ab" xlink:to="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7fef-bc4d-82269a0ae725" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7fef-bc4d-82269a0ae725_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7fef-bc4d-82269a0ae725" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7fef-bc4d-82269a0ae725_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7600-bcde-b9e800e7a5c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7fef-bc4d-82269a0ae725" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7600-bcde-b9e800e7a5c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-7b42-9cf0-89523517067a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7600-bcde-b9e800e7a5c9" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-7b42-9cf0-89523517067a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-729a-850d-0ce4697c0377" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-729a-850d-0ce4697c0377" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-752a-ad2a-80d49c9f9339" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-752a-ad2a-80d49c9f9339" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019fec0d-913f-78ad-9d3a-6de10a1c6f3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019fec0d-913f-78ad-9d3a-6de10a1c6f3c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LineOfCreditFacilityNumberOfExtensionPeriods_019fec0d-913f-7cba-946d-78f710807597" xlink:href="inn-20260930.xsd#inn_LineOfCreditFacilityNumberOfExtensionPeriods"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_inn_LineOfCreditFacilityNumberOfExtensionPeriods_019fec0d-913f-7cba-946d-78f710807597" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LineOfCreditFacilityExtensionTerm_019fec0d-913f-7fe3-9ac1-8d0c01a3cfad" xlink:href="inn-20260930.xsd#inn_LineOfCreditFacilityExtensionTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_inn_LineOfCreditFacilityExtensionTerm_019fec0d-913f-7fe3-9ac1-8d0c01a3cfad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-78de-8d4d-45d0d6cbf88a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-78de-8d4d-45d0d6cbf88a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-706d-a2ac-a5a92da145c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-7c00-b1bf-eada3c1049f0" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-706d-a2ac-a5a92da145c3" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTConvertibleSeniorNotesandCappedCallOptionsDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTConvertibleSeniorNotesandCappedCallOptionsDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTConvertibleSeniorNotesandCappedCallOptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7097-96f6-9ec291d1388a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7097-96f6-9ec291d1388a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7429-a3c3-249453ecd8a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7097-96f6-9ec291d1388a" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7429-a3c3-249453ecd8a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7429-a3c3-249453ecd8a6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7429-a3c3-249453ecd8a6" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7429-a3c3-249453ecd8a6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-702f-ac4a-f04b3219d650" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7429-a3c3-249453ecd8a6" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-702f-ac4a-f04b3219d650" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A150ConvertibleSeniorNotesMember_019fec0d-913f-7ce6-976f-098039c5d4e5" xlink:href="inn-20260930.xsd#inn_A150ConvertibleSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-702f-ac4a-f04b3219d650" xlink:to="loc_inn_A150ConvertibleSeniorNotesMember_019fec0d-913f-7ce6-976f-098039c5d4e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-78f4-866d-a6453dbe923d" xlink:href="inn-20260930.xsd#inn_RevolvingCreditFacilityFourHundredMillionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-702f-ac4a-f04b3219d650" xlink:to="loc_inn_RevolvingCreditFacilityFourHundredMillionMember_019fec0d-913f-78f4-866d-a6453dbe923d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-70cf-bbd4-138277156223" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7097-96f6-9ec291d1388a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-70cf-bbd4-138277156223" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-70cf-bbd4-138277156223_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-70cf-bbd4-138277156223" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-70cf-bbd4-138277156223_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7022-8874-d62c87419e0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-70cf-bbd4-138277156223" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7022-8874-d62c87419e0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-730e-a821-8f8271274147" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7022-8874-d62c87419e0b" xlink:to="loc_us-gaap_ConvertibleDebtMember_019fec0d-913f-730e-a821-8f8271274147" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7f4b-8eef-5e26f710bb6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7022-8874-d62c87419e0b" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-7f4b-8eef-5e26f710bb6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7a36-b3bd-abcae7c20b70" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7a36-b3bd-abcae7c20b70" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-7e28-a041-0ddd327eea20" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-7e28-a041-0ddd327eea20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromConvertibleDebt_019fec0d-913f-7572-a4c5-e653ac49add8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_ProceedsFromConvertibleDebt_019fec0d-913f-7572-a4c5-e653ac49add8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_019fec0d-913f-7ed8-9a01-46bd8eb48b95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestOnConvertibleDebtNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_InterestOnConvertibleDebtNetOfTax_019fec0d-913f-7ed8-9a01-46bd8eb48b95" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_019fec0d-913f-70da-b58f-08c0a49a93f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_019fec0d-913f-70da-b58f-08c0a49a93f1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_019fec0d-913f-740b-8da0-5a95b26ef9d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_019fec0d-913f-740b-8da0-5a95b26ef9d5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_019fec0d-913f-7c45-9fbb-6e21a181ba4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_019fec0d-913f-7c45-9fbb-6e21a181ba4d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-76e9-9c5c-2147f95f2987" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73d0-b004-b692584a10bf" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-76e9-9c5c-2147f95f2987" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTGICJointVentureCreditFacilityDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTGICJointVentureCreditFacilityDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTGICJointVentureCreditFacilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-72e9-8d38-93331dd78a49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-784c-9e4f-f6ca8e57719d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-72e9-8d38-93331dd78a49" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-784c-9e4f-f6ca8e57719d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7200-8fc0-b4dd19f559df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-784c-9e4f-f6ca8e57719d" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7200-8fc0-b4dd19f559df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7200-8fc0-b4dd19f559df_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7200-8fc0-b4dd19f559df" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7200-8fc0-b4dd19f559df_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7afd-b500-cb2024cdf98b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7200-8fc0-b4dd19f559df" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7afd-b500-cb2024cdf98b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A125MillionRevolvingCreditFacilityMember_019fec0d-913f-764e-ba38-190ffe64e792" xlink:href="inn-20260930.xsd#inn_A125MillionRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7afd-b500-cb2024cdf98b" xlink:to="loc_inn_A125MillionRevolvingCreditFacilityMember_019fec0d-913f-764e-ba38-190ffe64e792" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A125MillionTermLoanMember_019fec0d-913f-77ff-becc-6bff4c403acc" xlink:href="inn-20260930.xsd#inn_A125MillionTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7afd-b500-cb2024cdf98b" xlink:to="loc_inn_A125MillionTermLoanMember_019fec0d-913f-77ff-becc-6bff4c403acc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-7d1a-bf9d-9e06d4f2c30f" xlink:href="inn-20260930.xsd#inn_JointVentureCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7afd-b500-cb2024cdf98b" xlink:to="loc_inn_JointVentureCreditFacilityMember_019fec0d-913f-7d1a-bf9d-9e06d4f2c30f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7400-a803-b1283b994485" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-784c-9e4f-f6ca8e57719d" xlink:to="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7400-a803-b1283b994485" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7400-a803-b1283b994485_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7400-a803-b1283b994485" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-7400-a803-b1283b994485_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-734b-8690-58c9120e9c53" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fec0d-913f-7400-a803-b1283b994485" xlink:to="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-734b-8690-58c9120e9c53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-74df-93d3-14d380e7d2ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-734b-8690-58c9120e9c53" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fec0d-913f-74df-93d3-14d380e7d2ac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_019fec0d-913f-7b60-88a6-89a6270294e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fec0d-913f-734b-8690-58c9120e9c53" xlink:to="loc_us-gaap_LineOfCreditMember_019fec0d-913f-7b60-88a6-89a6270294e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7584-91cb-09f70ab8beff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-784c-9e4f-f6ca8e57719d" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7584-91cb-09f70ab8beff" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7584-91cb-09f70ab8beff_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7584-91cb-09f70ab8beff" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7584-91cb-09f70ab8beff_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-79b7-abda-71b5c3ee839f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7584-91cb-09f70ab8beff" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-79b7-abda-71b5c3ee839f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-723f-ba45-28486c4e2ce0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-79b7-abda-71b5c3ee839f" xlink:to="loc_us-gaap_UnsecuredDebtMember_019fec0d-913f-723f-ba45-28486c4e2ce0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019fec0d-913f-7feb-ad56-433043c49e9b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-79b7-abda-71b5c3ee839f" xlink:to="loc_us-gaap_SecuredDebtMember_019fec0d-913f-7feb-ad56-433043c49e9b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-72f5-a15a-8853038c6f97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-72e9-8d38-93331dd78a49" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-913f-72f5-a15a-8853038c6f97" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7ffe-b1ba-5ae6fa02c2d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-72e9-8d38-93331dd78a49" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-913f-7ffe-b1ba-5ae6fa02c2d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-747d-9cbe-848bfa39727a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-72e9-8d38-93331dd78a49" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-913f-747d-9cbe-848bfa39727a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-7532-aeda-7c894e21dc09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-72e9-8d38-93331dd78a49" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-913f-7532-aeda-7c894e21dc09" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-7ad8-8a81-4a7642516649" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-72e9-8d38-93331dd78a49" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-913f-7ad8-8a81-4a7642516649" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTGICJointVentureTermLoanDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTGICJointVentureTermLoanDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTGICJointVentureTermLoanDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7575-a311-aba24696f8e3" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7575-a311-aba24696f8e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-7575-a311-aba24696f8e3_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7575-a311-aba24696f8e3" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-7575-a311-aba24696f8e3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-772a-ba5a-065148632bb6" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fec0d-913f-7575-a311-aba24696f8e3" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-772a-ba5a-065148632bb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureWithGICMember_019fec0d-913f-7276-aa1d-4c37af4c936f" xlink:href="inn-20260930.xsd#inn_JointVentureWithGICMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fec0d-913f-772a-ba5a-065148632bb6" xlink:to="loc_inn_JointVentureWithGICMember_019fec0d-913f-7276-aa1d-4c37af4c936f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7984-82e7-bf0c1f945dea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7984-82e7-bf0c1f945dea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7984-82e7-bf0c1f945dea_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7984-82e7-bf0c1f945dea" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7984-82e7-bf0c1f945dea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7852-9aea-b71ada6f3cda" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-913f-7984-82e7-bf0c1f945dea" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7852-9aea-b71ada6f3cda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureTermLoanMember_019fec0d-913f-7855-af11-c114b12961d8" xlink:href="inn-20260930.xsd#inn_JointVentureTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7852-9aea-b71ada6f3cda" xlink:to="loc_inn_JointVentureTermLoanMember_019fec0d-913f-7855-af11-c114b12961d8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A2025GICJointVentureTermLoanMember_019fec0d-913f-7351-905b-1560b6ddb150" xlink:href="inn-20260930.xsd#inn_A2025GICJointVentureTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-913f-7852-9aea-b71ada6f3cda" xlink:to="loc_inn_A2025GICJointVentureTermLoanMember_019fec0d-913f-7351-905b-1560b6ddb150" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7eae-a0f6-7028592432f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7eae-a0f6-7028592432f8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7eae-a0f6-7028592432f8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7eae-a0f6-7028592432f8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-7eae-a0f6-7028592432f8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-783c-a637-3469cfb4beb9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-913f-7eae-a0f6-7028592432f8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-783c-a637-3469cfb4beb9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_019fec0d-913f-7c99-83b8-3e92e1cbc0fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-913f-783c-a637-3469cfb4beb9" xlink:to="loc_us-gaap_SecuredDebtMember_019fec0d-913f-7c99-83b8-3e92e1cbc0fe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-7192-99f8-2b6b0e713153" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-7192-99f8-2b6b0e713153" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-7192-99f8-2b6b0e713153_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-7192-99f8-2b6b0e713153" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-7192-99f8-2b6b0e713153_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-761f-91cc-dbed97cdaaef" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-913f-7192-99f8-2b6b0e713153" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-761f-91cc-dbed97cdaaef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_HotelMember_019fec0d-913f-722f-949a-1363d81443f7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_HotelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-913f-761f-91cc-dbed97cdaaef" xlink:to="loc_srt_HotelMember_019fec0d-913f-722f-949a-1363d81443f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7507-b1c4-0712e6ef0e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7507-b1c4-0712e6ef0e0c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-7507-b1c4-0712e6ef0e0c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7507-b1c4-0712e6ef0e0c" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-7507-b1c4-0712e6ef0e0c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-72eb-aa4a-b876659a7b1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-913f-7507-b1c4-0712e6ef0e0c" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-72eb-aa4a-b876659a7b1c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember_019fec0d-913f-77bb-8bf9-5282f98389b7" xlink:href="inn-20260930.xsd#inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019fec0d-913f-72eb-aa4a-b876659a7b1c" xlink:to="loc_inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember_019fec0d-913f-77bb-8bf9-5282f98389b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-701b-b057-516f74fd2f36" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-701b-b057-516f74fd2f36" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-701b-b057-516f74fd2f36_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-701b-b057-516f74fd2f36" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-701b-b057-516f74fd2f36_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-7f53-8004-092080be260c" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-913f-701b-b057-516f74fd2f36" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-7f53-8004-092080be260c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NCITransactionMember_019fec0d-913f-7674-97a4-0f47ccc85033" xlink:href="inn-20260930.xsd#inn_NCITransactionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-913f-7f53-8004-092080be260c" xlink:to="loc_inn_NCITransactionMember_019fec0d-913f-7674-97a4-0f47ccc85033" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_019fec0d-913f-7529-b8ec-96084e3bbd62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-913f-7088-a470-280cb8e4af09" xlink:to="loc_us-gaap_VariableRateAxis_019fec0d-913f-7529-b8ec-96084e3bbd62" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fec0d-913f-7529-b8ec-96084e3bbd62_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_019fec0d-913f-7529-b8ec-96084e3bbd62" xlink:to="loc_us-gaap_VariableRateDomain_019fec0d-913f-7529-b8ec-96084e3bbd62_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_019fec0d-913f-70ff-b7a0-01e8ec04d0ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_019fec0d-913f-7529-b8ec-96084e3bbd62" xlink:to="loc_us-gaap_VariableRateDomain_019fec0d-913f-70ff-b7a0-01e8ec04d0ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SecuredOvernightFinancingRateSOFROneMember_019fec0d-913f-7217-932f-5f509d3680b8" xlink:href="inn-20260930.xsd#inn_SecuredOvernightFinancingRateSOFROneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fec0d-913f-70ff-b7a0-01e8ec04d0ba" xlink:to="loc_inn_SecuredOvernightFinancingRateSOFROneMember_019fec0d-913f-7217-932f-5f509d3680b8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SecuredOvernightFinancingRateSOFRTwoMember_019fec0d-913f-7f83-8196-5aa0facf9a0d" xlink:href="inn-20260930.xsd#inn_SecuredOvernightFinancingRateSOFRTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_019fec0d-913f-70ff-b7a0-01e8ec04d0ba" xlink:to="loc_inn_SecuredOvernightFinancingRateSOFRTwoMember_019fec0d-913f-7f83-8196-5aa0facf9a0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-9201-7f0e-bff7-b289693f026a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-9201-7f0e-bff7-b289693f026a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-9201-76b0-831e-410d503ce20c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfUnitsInRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-9201-76b0-831e-410d503ce20c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-9201-7147-bb84-370dc7071c40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-9201-7147-bb84-370dc7071c40" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019fec0d-9201-7d22-b364-fffc0047ee2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019fec0d-9201-7d22-b364-fffc0047ee2b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_019fec0d-9201-7461-a870-02e7410358e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_019fec0d-9201-7461-a870-02e7410358e1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentAccordionFeatureIncreaseOfCommitmentsAmount_019fec0d-9201-7020-9935-cfdb77123490" xlink:href="inn-20260930.xsd#inn_DebtInstrumentAccordionFeatureIncreaseOfCommitmentsAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_inn_DebtInstrumentAccordionFeatureIncreaseOfCommitmentsAmount_019fec0d-9201-7020-9935-cfdb77123490" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-9201-7815-84fc-4283fcfb58ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_019fec0d-9201-7815-84fc-4283fcfb58ef" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentNumberOfExtensionOptions_019fec0d-9201-7b58-96b9-1dbfd1d91b62" xlink:href="inn-20260930.xsd#inn_DebtInstrumentNumberOfExtensionOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_inn_DebtInstrumentNumberOfExtensionOptions_019fec0d-9201-7b58-96b9-1dbfd1d91b62" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-9201-776b-a4e0-72ce9eba500b" xlink:href="inn-20260930.xsd#inn_DebtInstrumentExtensionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-9201-776b-a4e0-72ce9eba500b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-9201-7384-a0b8-e9d739d89f9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-9201-7384-a0b8-e9d739d89f9e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-9201-7779-9bf3-0c9a9fe24b00" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-913f-73b9-af72-02eea85e2fea" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-9201-7779-9bf3-0c9a9fe24b00" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTPACELoanDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTPACELoanDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTPACELoanDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-71aa-8475-2b4bd604b0ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-781d-9a83-1ba576830701" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-71aa-8475-2b4bd604b0ff" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-781d-9a83-1ba576830701" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7b66-b37e-9077c6b7be54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-781d-9a83-1ba576830701" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7b66-b37e-9077c6b7be54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7b66-b37e-9077c6b7be54_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7b66-b37e-9077c6b7be54" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7b66-b37e-9077c6b7be54_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-75e5-8882-69f92debe42f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7b66-b37e-9077c6b7be54" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-75e5-8882-69f92debe42f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PACELoanMember_019fec0d-9201-753d-9460-8108d536bcbc" xlink:href="inn-20260930.xsd#inn_PACELoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-75e5-8882-69f92debe42f" xlink:to="loc_inn_PACELoanMember_019fec0d-9201-753d-9460-8108d536bcbc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-71a1-a5c8-b4d507f9881a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-781d-9a83-1ba576830701" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-71a1-a5c8-b4d507f9881a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-71a1-a5c8-b4d507f9881a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-71a1-a5c8-b4d507f9881a" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-71a1-a5c8-b4d507f9881a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-70b1-b0c1-2944b02f1701" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-71a1-a5c8-b4d507f9881a" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-70b1-b0c1-2944b02f1701" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NCITransactionMember_019fec0d-9201-756e-ab4f-21b54ee6fd1a" xlink:href="inn-20260930.xsd#inn_NCITransactionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-70b1-b0c1-2944b02f1701" xlink:to="loc_inn_NCITransactionMember_019fec0d-9201-756e-ab4f-21b54ee6fd1a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-9201-70c5-ac25-b8b0ded82b4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-71aa-8475-2b4bd604b0ff" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_019fec0d-9201-70c5-ac25-b8b0ded82b4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-9201-7acc-bd7a-495f4dd49473" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-71aa-8475-2b4bd604b0ff" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fec0d-9201-7acc-bd7a-495f4dd49473" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentAmortizationPeriod_019fec0d-9201-7d73-9e50-f07cfde1ffdf" xlink:href="inn-20260930.xsd#inn_DebtInstrumentAmortizationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-71aa-8475-2b4bd604b0ff" xlink:to="loc_inn_DebtInstrumentAmortizationPeriod_019fec0d-9201-7d73-9e50-f07cfde1ffdf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fec0d-9201-7324-873d-8a9186e0bb17" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-71aa-8475-2b4bd604b0ff" xlink:to="loc_us-gaap_LongTermDebt_019fec0d-9201-7324-873d-8a9186e0bb17" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DEBTBrickellMortgageLoanDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DEBTBrickellMortgageLoanDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DEBTBrickellMortgageLoanDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-7b9e-b87a-488ea98453e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:to="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-7b9e-b87a-488ea98453e8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-72a3-916c-296e600b8688" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-7b9e-b87a-488ea98453e8" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-72a3-916c-296e600b8688" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-72a3-916c-296e600b8688_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-72a3-916c-296e600b8688" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-72a3-916c-296e600b8688_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-7f83-a2ff-d91495cedae6" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-72a3-916c-296e600b8688" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-7f83-a2ff-d91495cedae6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BrickellJointVentureMember_019fec0d-9201-7e84-a3f2-1df1b7d3aff7" xlink:href="inn-20260930.xsd#inn_BrickellJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-7f83-a2ff-d91495cedae6" xlink:to="loc_inn_BrickellJointVentureMember_019fec0d-9201-7e84-a3f2-1df1b7d3aff7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-76f2-8bbc-208c8a59a9e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-7b9e-b87a-488ea98453e8" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-76f2-8bbc-208c8a59a9e2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-76f2-8bbc-208c8a59a9e2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-76f2-8bbc-208c8a59a9e2" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-76f2-8bbc-208c8a59a9e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7501-8c62-a6956d304347" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-76f2-8bbc-208c8a59a9e2" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7501-8c62-a6956d304347" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BrickellMortgageLoanMember_019fec0d-9201-702c-97e1-f9e76a660c9f" xlink:href="inn-20260930.xsd#inn_BrickellMortgageLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7501-8c62-a6956d304347" xlink:to="loc_inn_BrickellMortgageLoanMember_019fec0d-9201-702c-97e1-f9e76a660c9f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BrickellJointVentureMortgageLoansMember_019fec0d-9201-7411-b8a0-5866f487ad54" xlink:href="inn-20260930.xsd#inn_BrickellJointVentureMortgageLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7501-8c62-a6956d304347" xlink:to="loc_inn_BrickellJointVentureMortgageLoansMember_019fec0d-9201-7411-b8a0-5866f487ad54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-9201-74aa-9170-51504a7ec786" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-7b9e-b87a-488ea98453e8" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-9201-74aa-9170-51504a7ec786" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-9201-74aa-9170-51504a7ec786_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-9201-74aa-9170-51504a7ec786" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-9201-74aa-9170-51504a7ec786_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-9201-7aef-8e1a-fae68580fd0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fec0d-9201-74aa-9170-51504a7ec786" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-9201-7aef-8e1a-fae68580fd0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgagesMember_019fec0d-9201-7541-a65b-3dbc25ee8cfd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MortgagesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fec0d-9201-7aef-8e1a-fae68580fd0d" xlink:to="loc_us-gaap_MortgagesMember_019fec0d-9201-7541-a65b-3dbc25ee8cfd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-750c-be41-72c9a8c03ce9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fec0d-9201-7b9e-b87a-488ea98453e8" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-750c-be41-72c9a8c03ce9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-750c-be41-72c9a8c03ce9_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-750c-be41-72c9a8c03ce9" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-750c-be41-72c9a8c03ce9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7b60-8988-af1451ffc1e5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-750c-be41-72c9a8c03ce9" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7b60-8988-af1451ffc1e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ACElementHotelMember_019fec0d-9201-7925-9e63-1510140cdbec" xlink:href="inn-20260930.xsd#inn_ACElementHotelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7b60-8988-af1451ffc1e5" xlink:to="loc_inn_ACElementHotelMember_019fec0d-9201-7925-9e63-1510140cdbec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-9201-7aa8-8047-1309445fe390" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfUnitsInRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-9201-7aa8-8047-1309445fe390" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-9201-7423-a7a0-4d6049239c99" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fec0d-9201-7423-a7a0-4d6049239c99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DecreaseInDebtInstrumentBasisSpreadOnVariableRate_019fec0d-9201-7bcd-baca-7c3a4339ec4f" xlink:href="inn-20260930.xsd#inn_DecreaseInDebtInstrumentBasisSpreadOnVariableRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:to="loc_inn_DecreaseInDebtInstrumentBasisSpreadOnVariableRate_019fec0d-9201-7bcd-baca-7c3a4339ec4f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-9201-7a03-87fd-4e1c4e71736d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_019fec0d-9201-7a03-87fd-4e1c4e71736d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentNumberOfExtensionOptions_019fec0d-9201-7890-8100-baa1b57cc599" xlink:href="inn-20260930.xsd#inn_DebtInstrumentNumberOfExtensionOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:to="loc_inn_DebtInstrumentNumberOfExtensionOptions_019fec0d-9201-7890-8100-baa1b57cc599" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-9201-729c-899f-1706bd542675" xlink:href="inn-20260930.xsd#inn_DebtInstrumentExtensionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fec0d-9201-7ecb-acff-eaf055914e85" xlink:to="loc_inn_DebtInstrumentExtensionPeriod_019fec0d-9201-729c-899f-1706bd542675" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/LEASESNarrativeDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#LEASESNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/LEASESNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_019fec0d-9201-7dd5-8645-2e7d33074484" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_019fec0d-9201-7dd5-8645-2e7d33074484" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-9201-70ce-9f9b-7edcea7328ab" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_019fec0d-9201-7dd5-8645-2e7d33074484" xlink:to="loc_srt_RangeAxis_019fec0d-9201-70ce-9f9b-7edcea7328ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9201-70ce-9f9b-7edcea7328ab_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-9201-70ce-9f9b-7edcea7328ab" xlink:to="loc_srt_RangeMember_019fec0d-9201-70ce-9f9b-7edcea7328ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9201-75e6-b9cd-74419cf424f5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-9201-70ce-9f9b-7edcea7328ab" xlink:to="loc_srt_RangeMember_019fec0d-9201-75e6-b9cd-74419cf424f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fec0d-9201-7ce2-b7d0-0340fe8307f1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-9201-75e6-b9cd-74419cf424f5" xlink:to="loc_srt_MinimumMember_019fec0d-9201-7ce2-b7d0-0340fe8307f1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fec0d-9201-7f0e-a531-13dc668ed9b1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-9201-75e6-b9cd-74419cf424f5" xlink:to="loc_srt_MaximumMember_019fec0d-9201-7f0e-a531-13dc668ed9b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_OperatingLeaseRemainingLeaseTerm_019fec0d-9201-7068-85df-515c6d0e83f4" xlink:href="inn-20260930.xsd#inn_OperatingLeaseRemainingLeaseTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:to="loc_inn_OperatingLeaseRemainingLeaseTerm_019fec0d-9201-7068-85df-515c6d0e83f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_019fec0d-9201-790c-88da-3e3d36c4504d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_019fec0d-9201-790c-88da-3e3d36c4504d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_019fec0d-9201-7c83-a66d-71f7016ecfbe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:to="loc_us-gaap_OperatingLeaseCost_019fec0d-9201-7c83-a66d-71f7016ecfbe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasePayments_019fec0d-9201-75f8-bac9-f0daa583ad65" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeasePayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:to="loc_us-gaap_OperatingLeasePayments_019fec0d-9201-75f8-bac9-f0daa583ad65" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_019fec0d-9201-76a9-9fb8-3db504eb683f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_019fec0d-9201-76a9-9fb8-3db504eb683f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RentalIncomeNonoperating_019fec0d-9201-7c24-91f5-a094e891deb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RentalIncomeNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_019fec0d-9201-7430-be29-10a91e166eba" xlink:to="loc_us-gaap_RentalIncomeNonoperating_019fec0d-9201-7c24-91f5-a094e891deb1" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGScheduleofDerivativeFinancialInstrumentsDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGScheduleofDerivativeFinancialInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGScheduleofDerivativeFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019fec0d-9201-773f-816b-494eadb5f73b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019fec0d-9201-750b-b796-b387b379ee95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-773f-816b-494eadb5f73b" xlink:to="loc_us-gaap_DerivativeTable_019fec0d-9201-750b-b796-b387b379ee95" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7b42-8e92-a86083e9dd2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fec0d-9201-750b-b796-b387b379ee95" xlink:to="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7b42-8e92-a86083e9dd2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7b42-8e92-a86083e9dd2d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7b42-8e92-a86083e9dd2d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7b42-8e92-a86083e9dd2d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7ac1-a90a-3894e75e8d42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7b42-8e92-a86083e9dd2d" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7ac1-a90a-3894e75e8d42" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019fec0d-9201-7fc8-bc98-12f950944927" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7ac1-a90a-3894e75e8d42" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019fec0d-9201-7fc8-bc98-12f950944927" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-786f-bbf0-8dbbe64ee739" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fec0d-9201-750b-b796-b387b379ee95" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-786f-bbf0-8dbbe64ee739" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-786f-bbf0-8dbbe64ee739_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-786f-bbf0-8dbbe64ee739" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-786f-bbf0-8dbbe64ee739_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-75cb-9848-41d6d69194f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-786f-bbf0-8dbbe64ee739" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-75cb-9848-41d6d69194f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-75cb-9848-41d6d69194f7" xlink:to="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringJanuary312027Member_019fec0d-9201-7e8d-85f3-83fa93af1c96" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringJanuary312027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringJanuary312027Member_019fec0d-9201-7e8d-85f3-83fa93af1c96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringJanuary312029Member_019fec0d-9201-79e6-ae97-5a190df9bbdd" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringJanuary312029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringJanuary312029Member_019fec0d-9201-79e6-ae97-5a190df9bbdd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringMay152028Member_019fec0d-9201-78b5-a216-8f73a5ea5771" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringMay152028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringMay152028Member_019fec0d-9201-78b5-a216-8f73a5ea5771" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringDecember312027Member_019fec0d-9201-7698-a5ac-5cd028b834c2" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringDecember312027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringDecember312027Member_019fec0d-9201-7698-a5ac-5cd028b834c2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringJanuary132026OneMember_019fec0d-9201-7b2f-8203-8e4f5c7eb51a" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringJanuary132026OneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringJanuary132026OneMember_019fec0d-9201-7b2f-8203-8e4f5c7eb51a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringJanuary132026TwoMember_019fec0d-9201-7513-b183-9f0182e157e9" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringJanuary132026TwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringJanuary132026TwoMember_019fec0d-9201-7513-b183-9f0182e157e9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringJanuary132026ThreeMember_019fec0d-9201-7297-8c82-81e0c0f8e109" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringJanuary132026ThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringJanuary132026ThreeMember_019fec0d-9201-7297-8c82-81e0c0f8e109" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringJanuary132028OneMember_019fec0d-9201-714e-91c4-a6b2e2e7d13a" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringJanuary132028OneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringJanuary132028OneMember_019fec0d-9201-714e-91c4-a6b2e2e7d13a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_InterestRateSwapExpiringJanuary132028TwoMember_019fec0d-9201-7c3d-b135-8e127f8689c9" xlink:href="inn-20260930.xsd#inn_InterestRateSwapExpiringJanuary132028TwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7ad1-8473-8dc785b8e727" xlink:to="loc_inn_InterestRateSwapExpiringJanuary132028TwoMember_019fec0d-9201-7c3d-b135-8e127f8689c9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7382-8fd4-318362e9f182" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fec0d-9201-750b-b796-b387b379ee95" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7382-8fd4-318362e9f182" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7382-8fd4-318362e9f182_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7382-8fd4-318362e9f182" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7382-8fd4-318362e9f182_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-73d1-a634-acca69774021" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7382-8fd4-318362e9f182" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-73d1-a634-acca69774021" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_GICJointVentureCreditFacilityAndTermLoansMember_019fec0d-9201-79fd-8ab8-990728febc0f" xlink:href="inn-20260930.xsd#inn_GICJointVentureCreditFacilityAndTermLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-73d1-a634-acca69774021" xlink:to="loc_inn_GICJointVentureCreditFacilityAndTermLoansMember_019fec0d-9201-79fd-8ab8-990728febc0f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAverageFixedInterestRate_019fec0d-9201-7772-a6fb-57defee06ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAverageFixedInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-773f-816b-494eadb5f73b" xlink:to="loc_us-gaap_DerivativeAverageFixedInterestRate_019fec0d-9201-7772-a6fb-57defee06ff8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019fec0d-9201-7eb5-86af-879ebbd0e5f0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-773f-816b-494eadb5f73b" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019fec0d-9201-7eb5-86af-879ebbd0e5f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_019fec0d-9201-7379-b958-5168c7bc540f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-773f-816b-494eadb5f73b" xlink:to="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_019fec0d-9201-7379-b958-5168c7bc540f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfInterestRateDerivativesHeld_019fec0d-9201-7bf9-8fc0-63e7b66de27a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfInterestRateDerivativesHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-773f-816b-494eadb5f73b" xlink:to="loc_us-gaap_NumberOfInterestRateDerivativesHeld_019fec0d-9201-7bf9-8fc0-63e7b66de27a" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGNarrativeDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019fec0d-9201-7161-835d-9b571974b07b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019fec0d-9201-7df0-bba1-daccb1d0f16c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-7161-835d-9b571974b07b" xlink:to="loc_us-gaap_DerivativeTable_019fec0d-9201-7df0-bba1-daccb1d0f16c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7519-8738-223725498949" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fec0d-9201-7df0-bba1-daccb1d0f16c" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7519-8738-223725498949" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7519-8738-223725498949_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7519-8738-223725498949" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-7519-8738-223725498949_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-79ba-b9c1-963263dabf05" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fec0d-9201-7519-8738-223725498949" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-79ba-b9c1-963263dabf05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_WhollyOwnedPropertiesAndJointVentureDebtMember_019fec0d-9201-70b7-97ee-45a5c9923f52" xlink:href="inn-20260930.xsd#inn_WhollyOwnedPropertiesAndJointVentureDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-79ba-b9c1-963263dabf05" xlink:to="loc_inn_WhollyOwnedPropertiesAndJointVentureDebtMember_019fec0d-9201-70b7-97ee-45a5c9923f52" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureTermLoanMember_019fec0d-9201-7e30-ad40-2513cdeda54e" xlink:href="inn-20260930.xsd#inn_JointVentureTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fec0d-9201-79ba-b9c1-963263dabf05" xlink:to="loc_inn_JointVentureTermLoanMember_019fec0d-9201-7e30-ad40-2513cdeda54e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7a31-b487-a1bf9dba552a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fec0d-9201-7df0-bba1-daccb1d0f16c" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7a31-b487-a1bf9dba552a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7a31-b487-a1bf9dba552a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7a31-b487-a1bf9dba552a" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7a31-b487-a1bf9dba552a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-72a2-980a-299e3a82262a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7a31-b487-a1bf9dba552a" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-72a2-980a-299e3a82262a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-73c2-870a-424c5807f397" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-72a2-980a-299e3a82262a" xlink:to="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-73c2-870a-424c5807f397" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7c4c-b7fb-ddcda4c4d5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fec0d-9201-7df0-bba1-daccb1d0f16c" xlink:to="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7c4c-b7fb-ddcda4c4d5e5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7c4c-b7fb-ddcda4c4d5e5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7c4c-b7fb-ddcda4c4d5e5" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7c4c-b7fb-ddcda4c4d5e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7bdb-bbf6-0b1cbe3f54d6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fec0d-9201-7c4c-b7fb-ddcda4c4d5e5" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7bdb-bbf6-0b1cbe3f54d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019fec0d-9201-71d4-a650-e6c74a8be4c6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019fec0d-9201-7bdb-bbf6-0b1cbe3f54d6" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_019fec0d-9201-71d4-a650-e6c74a8be4c6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_019fec0d-9201-739f-9691-af46fda0dfdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtPercentageBearingFixedInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-7161-835d-9b571974b07b" xlink:to="loc_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_019fec0d-9201-739f-9691-af46fda0dfdf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DebtInstrumentVariableRateDebtConvertedToFixedRateDebt_019fec0d-9201-7d09-87cb-925d2045152b" xlink:href="inn-20260930.xsd#inn_DebtInstrumentVariableRateDebtConvertedToFixedRateDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-7161-835d-9b571974b07b" xlink:to="loc_inn_DebtInstrumentVariableRateDebtConvertedToFixedRateDebt_019fec0d-9201-7d09-87cb-925d2045152b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DerivativeDerivativesInAssetPosition_019fec0d-9201-79ba-8310-4370d2099ecd" xlink:href="inn-20260930.xsd#inn_DerivativeDerivativesInAssetPosition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-7161-835d-9b571974b07b" xlink:to="loc_inn_DerivativeDerivativesInAssetPosition_019fec0d-9201-79ba-8310-4370d2099ecd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DerivativeDerivativesInLiabilityPosition_019fec0d-9201-7c68-9e89-1b62c99e7f03" xlink:href="inn-20260930.xsd#inn_DerivativeDerivativesInLiabilityPosition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-7161-835d-9b571974b07b" xlink:to="loc_inn_DerivativeDerivativesInLiabilityPosition_019fec0d-9201-7c68-9e89-1b62c99e7f03" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_019fec0d-9201-7f2f-a1e0-c38e3641acba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fec0d-9201-7161-835d-9b571974b07b" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet_019fec0d-9201-7f2f-a1e0-c38e3641acba" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGScheduleofGainorLossRecognizedonDerivativeFinancialInstrumentsDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGScheduleofGainorLossRecognizedonDerivativeFinancialInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/DERIVATIVEFINANCIALINSTRUMENTSANDHEDGINGScheduleofGainorLossRecognizedonDerivativeFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fec0d-9201-742a-b4b5-f8c785335088" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fec0d-9201-771f-bc21-0e638713b886" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fec0d-9201-742a-b4b5-f8c785335088" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fec0d-9201-771f-bc21-0e638713b886" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fec0d-9201-7ddd-b3a9-0b16d81946d0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fec0d-9201-771f-bc21-0e638713b886" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fec0d-9201-7ddd-b3a9-0b16d81946d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019fec0d-9201-7ddd-b3a9-0b16d81946d0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fec0d-9201-7ddd-b3a9-0b16d81946d0" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019fec0d-9201-7ddd-b3a9-0b16d81946d0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_019fec0d-9201-7a7d-aa60-9f9927574b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_019fec0d-9201-7ddd-b3a9-0b16d81946d0" xlink:to="loc_us-gaap_HedgingRelationshipDomain_019fec0d-9201-7a7d-aa60-9f9927574b2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_019fec0d-9201-771f-bb51-18a3b9194ea8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_019fec0d-9201-7a7d-aa60-9f9927574b2d" xlink:to="loc_us-gaap_CashFlowHedgingMember_019fec0d-9201-771f-bb51-18a3b9194ea8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7ccc-90ae-88c51766a92c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fec0d-9201-771f-bc21-0e638713b886" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7ccc-90ae-88c51766a92c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7ccc-90ae-88c51766a92c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7ccc-90ae-88c51766a92c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7ccc-90ae-88c51766a92c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-791d-aec6-416583b532fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7ccc-90ae-88c51766a92c" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-791d-aec6-416583b532fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7dc1-bd4b-23029b8b49e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-791d-aec6-416583b532fd" xlink:to="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7dc1-bd4b-23029b8b49e7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_019fec0d-9201-7b5c-a953-eef940d36bce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fec0d-9201-742a-b4b5-f8c785335088" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_019fec0d-9201-7b5c-a953-eef940d36bce" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_019fec0d-9201-7e25-8308-b342353f9c11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fec0d-9201-742a-b4b5-f8c785335088" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_019fec0d-9201-7e25-8308-b342353f9c11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_019fec0d-9201-71e0-bc30-80b7d4dee80d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fec0d-9201-742a-b4b5-f8c785335088" xlink:to="loc_us-gaap_InterestExpense_019fec0d-9201-71e0-bc30-80b7d4dee80d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/EQUITYNarrativeDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#EQUITYNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/EQUITYNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-75c2-b072-b6baf92433fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-75c2-b072-b6baf92433fc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-7bec-9ade-d955962dd9e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-75c2-b072-b6baf92433fc" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-7bec-9ade-d955962dd9e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7bec-9ade-d955962dd9e5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-7bec-9ade-d955962dd9e5" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7bec-9ade-d955962dd9e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7e05-9a41-6ae640f3cb88" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-7bec-9ade-d955962dd9e5" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7e05-9a41-6ae640f3cb88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PreferredStockUndesignatedMember_019fec0d-9201-784b-9c00-664fe2a25886" xlink:href="inn-20260930.xsd#inn_PreferredStockUndesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7e05-9a41-6ae640f3cb88" xlink:to="loc_inn_PreferredStockUndesignatedMember_019fec0d-9201-784b-9c00-664fe2a25886" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-9201-7fb7-801a-0c2f79e44e8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7e05-9a41-6ae640f3cb88" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_019fec0d-9201-7fb7-801a-0c2f79e44e8f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-9201-7fdb-8dc1-ef706638cf1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesFPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7e05-9a41-6ae640f3cb88" xlink:to="loc_us-gaap_SeriesFPreferredStockMember_019fec0d-9201-7fdb-8dc1-ef706638cf1a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-9201-7639-a8c1-69a9ed0ceb23" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-75c2-b072-b6baf92433fc" xlink:to="loc_srt_RangeAxis_019fec0d-9201-7639-a8c1-69a9ed0ceb23" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9201-7639-a8c1-69a9ed0ceb23_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-9201-7639-a8c1-69a9ed0ceb23" xlink:to="loc_srt_RangeMember_019fec0d-9201-7639-a8c1-69a9ed0ceb23_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9201-7aff-b700-cc6eb1325707" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-9201-7639-a8c1-69a9ed0ceb23" xlink:to="loc_srt_RangeMember_019fec0d-9201-7aff-b700-cc6eb1325707" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fec0d-9201-798a-b246-cc77cc2d872d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-9201-7aff-b700-cc6eb1325707" xlink:to="loc_srt_MaximumMember_019fec0d-9201-798a-b246-cc77cc2d872d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_01a05d77-0892-7e95-82e4-5869097e0f5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-75c2-b072-b6baf92433fc" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_01a05d77-0892-7e95-82e4-5869097e0f5c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_01a05d77-0892-7e95-82e4-5869097e0f5c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_01a05d77-0892-7e95-82e4-5869097e0f5c" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_01a05d77-0892-7e95-82e4-5869097e0f5c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_01a05d77-0892-7b1d-84b8-a035a58bbfcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_01a05d77-0892-7e95-82e4-5869097e0f5c" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_01a05d77-0892-7b1d-84b8-a035a58bbfcb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_A2026ATMProgramMember_01a05d77-0892-745a-b088-53d2636c4b39" xlink:href="inn-20260930.xsd#inn_A2026ATMProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_01a05d77-0892-7b1d-84b8-a035a58bbfcb" xlink:to="loc_inn_A2026ATMProgramMember_01a05d77-0892-745a-b088-53d2636c4b39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_019fec0d-9201-7d81-917d-6c104ac378df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_019fec0d-9201-7d81-917d-6c104ac378df" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_019fec0d-9201-7f6b-87b3-5979b5f5503c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_019fec0d-9201-7f6b-87b3-5979b5f5503c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_CommonStockVotingRightsNumber_019fec0d-9201-7f0b-9642-3581f576df1f" xlink:href="inn-20260930.xsd#inn_CommonStockVotingRightsNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_inn_CommonStockVotingRightsNumber_019fec0d-9201-7f0b-9642-3581f576df1f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SaleOfStockMaximumAuthorizedAmount_01a05d77-0892-7a53-8de3-896c57763ea5" xlink:href="inn-20260930.xsd#inn_SaleOfStockMaximumAuthorizedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_inn_SaleOfStockMaximumAuthorizedAmount_01a05d77-0892-7a53-8de3-896c57763ea5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_019fec0d-9201-78e3-9cfa-880d828a03c9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_019fec0d-9201-78e3-9cfa-880d828a03c9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019fec0d-9201-7392-974c-4b979d2f3316" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019fec0d-9201-7392-974c-4b979d2f3316" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_019fec0d-9201-711b-8db4-834044433f05" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_019fec0d-9201-711b-8db4-834044433f05" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_019fec0d-9201-701b-a3b8-1a3cad8bdc3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_019fec0d-9201-701b-a3b8-1a3cad8bdc3b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockConvertibleConversionPrice_019fec0d-9201-7a7b-96b8-73c4276f8ed0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockConvertibleConversionPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_PreferredStockConvertibleConversionPrice_019fec0d-9201-7a7b-96b8-73c4276f8ed0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_StockConversionRatio_019fec0d-9201-7a32-95fc-3e01bec23992" xlink:href="inn-20260930.xsd#inn_StockConversionRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_inn_StockConversionRatio_019fec0d-9201-7a32-95fc-3e01bec23992" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePerDollarAmount_019fec0d-9201-7e4a-b37f-44749ce08ddd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendRatePerDollarAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_PreferredStockDividendRatePerDollarAmount_019fec0d-9201-7e4a-b37f-44749ce08ddd" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019fec0d-9201-7793-8cc0-61f2b5be292e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019fec0d-9201-7793-8cc0-61f2b5be292e" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_019fec0d-9201-7466-8809-2874635fa198" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_019fec0d-9201-7466-8809-2874635fa198" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_EquityShareRepurchaseProgramAggregatePurchasePrice_019fec0d-9201-7cae-a7e4-8f021b465cb1" xlink:href="inn-20260930.xsd#inn_EquityShareRepurchaseProgramAggregatePurchasePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_inn_EquityShareRepurchaseProgramAggregatePurchasePrice_019fec0d-9201-7cae-a7e4-8f021b465cb1" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_019fec0d-9201-76ee-80a0-88209b51ebfb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_TreasuryStockAcquiredAverageCostPerShare_019fec0d-9201-76ee-80a0-88209b51ebfb" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019fec0d-9201-748d-b894-a8f8549d363e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7405-a09d-3dd1885e0fbf" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019fec0d-9201-748d-b894-a8f8549d363e" xlink:type="arc" order="15"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/EQUITYChangesinCommonStockDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#EQUITYChangesinCommonStockDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/EQUITYChangesinCommonStockDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7d4f-8321-ae8b657932de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7143-870e-287e9ce69df4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7d4f-8321-ae8b657932de" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7143-870e-287e9ce69df4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_019fec0d-9201-7827-90d1-16f151485260" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7143-870e-287e9ce69df4" xlink:to="loc_srt_TitleOfIndividualAxis_019fec0d-9201-7827-90d1-16f151485260" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9201-7827-90d1-16f151485260_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_019fec0d-9201-7827-90d1-16f151485260" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9201-7827-90d1-16f151485260_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9201-7c8c-bbed-927e7bb0f22e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_019fec0d-9201-7827-90d1-16f151485260" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9201-7c8c-bbed-927e7bb0f22e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember_019fec0d-9201-752c-b936-30cc43b8e185" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_DirectorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9201-7c8c-bbed-927e7bb0f22e" xlink:to="loc_srt_DirectorMember_019fec0d-9201-752c-b936-30cc43b8e185" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:href="inn-20260930.xsd#inn_ChangesinCommonStockRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7d4f-8321-ae8b657932de" xlink:to="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-9201-78e9-bfc2-4033c57d8db0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-9201-78e9-bfc2-4033c57d8db0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_019fec0d-9201-7c2e-a88c-6c0dc486d7b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_019fec0d-9201-7c2e-a88c-6c0dc486d7b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_019fec0d-9201-7134-9f8f-21354374b99b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_019fec0d-9201-7134-9f8f-21354374b99b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_019fec0d-9201-724a-8bd7-d4ddeb976008" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_019fec0d-9201-724a-8bd7-d4ddeb976008" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_019fec0d-9201-749b-99a6-69e2b2531e5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_019fec0d-9201-749b-99a6-69e2b2531e5c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019fec0d-9201-7c58-bb30-5c68086e8442" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ChangesinCommonStockRollForward_019fec0d-9201-787a-9d1d-163051cf0e76" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019fec0d-9201-7c58-bb30-5c68086e8442" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fec0d-9201-730c-ac0d-0f5fbe8316cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/NONCONTROLLINGINTERESTSANDREDEEMABLENONCONTROLLINGINTERESTSDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#NONCONTROLLINGINTERESTSANDREDEEMABLENONCONTROLLINGINTERESTSDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/NONCONTROLLINGINTERESTSANDREDEEMABLENONCONTROLLINGINTERESTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis_019fec0d-9201-73d7-8f37-2294b078adec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis_019fec0d-9201-73d7-8f37-2294b078adec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LegalEntityTypeOfCounterpartyDomain_019fec0d-9201-73d7-8f37-2294b078adec_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LegalEntityTypeOfCounterpartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis_019fec0d-9201-73d7-8f37-2294b078adec" xlink:to="loc_us-gaap_LegalEntityTypeOfCounterpartyDomain_019fec0d-9201-73d7-8f37-2294b078adec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LegalEntityTypeOfCounterpartyDomain_019fec0d-9201-7af1-9e89-ca06fe652f14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LegalEntityTypeOfCounterpartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyTypeAxis_019fec0d-9201-73d7-8f37-2294b078adec" xlink:to="loc_us-gaap_LegalEntityTypeOfCounterpartyDomain_019fec0d-9201-7af1-9e89-ca06fe652f14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_UnaffiliatedThirdPartiesMember_019fec0d-9201-74cb-817d-011c1dbe4adb" xlink:href="inn-20260930.xsd#inn_UnaffiliatedThirdPartiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LegalEntityTypeOfCounterpartyDomain_019fec0d-9201-7af1-9e89-ca06fe652f14" xlink:to="loc_inn_UnaffiliatedThirdPartiesMember_019fec0d-9201-74cb-817d-011c1dbe4adb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fec0d-9201-7022-a90a-232257280f2c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_dei_LegalEntityAxis_019fec0d-9201-7022-a90a-232257280f2c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fec0d-9201-7022-a90a-232257280f2c_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fec0d-9201-7022-a90a-232257280f2c" xlink:to="loc_dei_EntityDomain_019fec0d-9201-7022-a90a-232257280f2c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fec0d-9201-7205-9b62-26d11f4472ac" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fec0d-9201-7022-a90a-232257280f2c" xlink:to="loc_dei_EntityDomain_019fec0d-9201-7205-9b62-26d11f4472ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SummitHotelOperatingPartnershipMember_019fec0d-9201-713e-bedb-ffac2d5b4d39" xlink:href="inn-20260930.xsd#inn_SummitHotelOperatingPartnershipMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fec0d-9201-7205-9b62-26d11f4472ac" xlink:to="loc_inn_SummitHotelOperatingPartnershipMember_019fec0d-9201-713e-bedb-ffac2d5b4d39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_GICMember_019fec0d-9201-7f81-a8d4-16dd39d9f3e9" xlink:href="inn-20260930.xsd#inn_GICMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fec0d-9201-7205-9b62-26d11f4472ac" xlink:to="loc_inn_GICMember_019fec0d-9201-7f81-a8d4-16dd39d9f3e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureWithGICMember_019fec0d-9201-7359-aebe-c153b9082a80" xlink:href="inn-20260930.xsd#inn_JointVentureWithGICMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fec0d-9201-7205-9b62-26d11f4472ac" xlink:to="loc_inn_JointVentureWithGICMember_019fec0d-9201-7359-aebe-c153b9082a80" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BrickellJointVentureMember_019fec0d-9201-7e80-ac8d-94c6df2be84e" xlink:href="inn-20260930.xsd#inn_BrickellJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fec0d-9201-7205-9b62-26d11f4472ac" xlink:to="loc_inn_BrickellJointVentureMember_019fec0d-9201-7e80-ac8d-94c6df2be84e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SummitHotelOPLPMember_019fec0d-9201-7bac-9a74-356dfaed8cb9" xlink:href="inn-20260930.xsd#inn_SummitHotelOPLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fec0d-9201-7205-9b62-26d11f4472ac" xlink:to="loc_inn_SummitHotelOPLPMember_019fec0d-9201-7bac-9a74-356dfaed8cb9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-9201-7783-83f5-8025b0be8a90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-9201-7783-83f5-8025b0be8a90" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fec0d-9201-7783-83f5-8025b0be8a90_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-9201-7783-83f5-8025b0be8a90" xlink:to="loc_us-gaap_EquityComponentDomain_019fec0d-9201-7783-83f5-8025b0be8a90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fec0d-9201-7593-87e1-90113a88bced" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fec0d-9201-7783-83f5-8025b0be8a90" xlink:to="loc_us-gaap_EquityComponentDomain_019fec0d-9201-7593-87e1-90113a88bced" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fec0d-9201-7f22-958e-13edc34a16c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fec0d-9201-7593-87e1-90113a88bced" xlink:to="loc_us-gaap_CommonStockMember_019fec0d-9201-7f22-958e-13edc34a16c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_019fec0d-9201-7749-b54a-2aec464353d1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_srt_OwnershipAxis_019fec0d-9201-7749-b54a-2aec464353d1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fec0d-9201-7749-b54a-2aec464353d1_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_019fec0d-9201-7749-b54a-2aec464353d1" xlink:to="loc_srt_OwnershipDomain_019fec0d-9201-7749-b54a-2aec464353d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fec0d-9201-7ba1-89a9-12ed67c0f262" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_019fec0d-9201-7749-b54a-2aec464353d1" xlink:to="loc_srt_OwnershipDomain_019fec0d-9201-7ba1-89a9-12ed67c0f262" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SummitHotelOperatingPartnershipMember_019fec0d-9201-7676-9533-463bfc9eb609" xlink:href="inn-20260930.xsd#inn_SummitHotelOperatingPartnershipMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fec0d-9201-7ba1-89a9-12ed67c0f262" xlink:to="loc_inn_SummitHotelOperatingPartnershipMember_019fec0d-9201-7676-9533-463bfc9eb609" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureWithGICMember_019fec0d-9201-7dfa-aef5-8828ee5b1f0d" xlink:href="inn-20260930.xsd#inn_JointVentureWithGICMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fec0d-9201-7ba1-89a9-12ed67c0f262" xlink:to="loc_inn_JointVentureWithGICMember_019fec0d-9201-7dfa-aef5-8828ee5b1f0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_HotelsOwnedThroughJointVentureMember_019fec0d-9201-78ed-9ace-b43ce00aa33a" xlink:href="inn-20260930.xsd#inn_HotelsOwnedThroughJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fec0d-9201-7ba1-89a9-12ed67c0f262" xlink:to="loc_inn_HotelsOwnedThroughJointVentureMember_019fec0d-9201-78ed-9ace-b43ce00aa33a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-7b4e-97bf-28ce88a2f00e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-7b4e-97bf-28ce88a2f00e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-7b4e-97bf-28ce88a2f00e_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-7b4e-97bf-28ce88a2f00e" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-7b4e-97bf-28ce88a2f00e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-74ce-8c56-ab08fb9b8a1b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fec0d-9201-7b4e-97bf-28ce88a2f00e" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-74ce-8c56-ab08fb9b8a1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureWithGICMember_019fec0d-9201-73b3-8405-3dc93c67dc64" xlink:href="inn-20260930.xsd#inn_JointVentureWithGICMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-74ce-8c56-ab08fb9b8a1b" xlink:to="loc_inn_JointVentureWithGICMember_019fec0d-9201-73b3-8405-3dc93c67dc64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_BrickellJointVentureMember_019fec0d-9201-7b63-b899-9c9a29b48bad" xlink:href="inn-20260930.xsd#inn_BrickellJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fec0d-9201-74ce-8c56-ab08fb9b8a1b" xlink:to="loc_inn_BrickellJointVentureMember_019fec0d-9201-7b63-b899-9c9a29b48bad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-7b70-ad28-c77c4b35c2f7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-7b70-ad28-c77c4b35c2f7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7b70-ad28-c77c4b35c2f7_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-7b70-ad28-c77c4b35c2f7" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7b70-ad28-c77c4b35c2f7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7af7-a506-f7e0a926b71e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_019fec0d-9201-7b70-ad28-c77c4b35c2f7" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7af7-a506-f7e0a926b71e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_HotelMember_019fec0d-9201-7672-a68e-93faeabbe822" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_HotelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_019fec0d-9201-7af7-a506-f7e0a926b71e" xlink:to="loc_srt_HotelMember_019fec0d-9201-7672-a68e-93faeabbe822" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-9201-7e08-b453-08a29037ab8b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstatePropertiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-9201-7e08-b453-08a29037ab8b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-9201-7e08-b453-08a29037ab8b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-9201-7e08-b453-08a29037ab8b" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-9201-7e08-b453-08a29037ab8b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-9201-7950-8ed9-5bb27ee84c97" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstatePropertiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_019fec0d-9201-7e08-b453-08a29037ab8b" xlink:to="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-9201-7950-8ed9-5bb27ee84c97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartiallyOwnedPropertiesMember_019fec0d-9201-7f32-b69e-822c2c15b309" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PartiallyOwnedPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_019fec0d-9201-7950-8ed9-5bb27ee84c97" xlink:to="loc_us-gaap_PartiallyOwnedPropertiesMember_019fec0d-9201-7f32-b69e-822c2c15b309" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019fec0d-9201-7663-b073-08dd28fba4e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019fec0d-9201-7663-b073-08dd28fba4e4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fec0d-9201-7663-b073-08dd28fba4e4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019fec0d-9201-7663-b073-08dd28fba4e4" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fec0d-9201-7663-b073-08dd28fba4e4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fec0d-9201-7403-af36-12123226f952" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019fec0d-9201-7663-b073-08dd28fba4e4" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fec0d-9201-7403-af36-12123226f952" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_OneraJointVentureMember_019fec0d-9201-719a-90de-596a29fb1e2f" xlink:href="inn-20260930.xsd#inn_OneraJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019fec0d-9201-7403-af36-12123226f952" xlink:to="loc_inn_OneraJointVentureMember_019fec0d-9201-719a-90de-596a29fb1e2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9201-79d5-aa65-3ad3d033efee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9201-79d5-aa65-3ad3d033efee" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9201-79d5-aa65-3ad3d033efee_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9201-79d5-aa65-3ad3d033efee" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9201-79d5-aa65-3ad3d033efee_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9201-754a-b148-ab7b78e61759" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9201-79d5-aa65-3ad3d033efee" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9201-754a-b148-ab7b78e61759" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember_019fec0d-9201-71a3-b4a6-b447cf375fee" xlink:href="inn-20260930.xsd#inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9201-754a-b148-ab7b78e61759" xlink:to="loc_inn_PortfolioPurchaseThroughContributionAndPurchaseAgreementMember_019fec0d-9201-71a3-b4a6-b447cf375fee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-761d-9300-bcca9700af51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fec0d-9201-7b3d-b58f-39f393a17080" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-761d-9300-bcca9700af51" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-761d-9300-bcca9700af51_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-761d-9300-bcca9700af51" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-761d-9300-bcca9700af51_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7c33-9b52-2007e6fff75b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fec0d-9201-761d-9300-bcca9700af51" xlink:to="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7c33-9b52-2007e6fff75b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SeriesZPreferredUnitsMember_019fec0d-9201-7cbb-b16b-2f6375ef343a" xlink:href="inn-20260930.xsd#inn_SeriesZPreferredUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fec0d-9201-7c33-9b52-2007e6fff75b" xlink:to="loc_inn_SeriesZPreferredUnitsMember_019fec0d-9201-7cbb-b16b-2f6375ef343a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LimitedPartnerCapitalAccountUnitsConversionRatio_019fec0d-9201-7c7b-ae59-df7cf06f9523" xlink:href="inn-20260930.xsd#inn_LimitedPartnerCapitalAccountUnitsConversionRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_inn_LimitedPartnerCapitalAccountUnitsConversionRatio_019fec0d-9201-7c7b-ae59-df7cf06f9523" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_019fec0d-9201-729c-a59c-bb9685575577" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_019fec0d-9201-729c-a59c-bb9685575577" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_019fec0d-9201-79aa-9f94-df30b22f11b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_019fec0d-9201-79aa-9f94-df30b22f11b2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_NumberOfJointVenturesEnteredInto_019fec0d-9201-73dd-a0d7-77b1bd2dff86" xlink:href="inn-20260930.xsd#inn_NumberOfJointVenturesEnteredInto"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_inn_NumberOfJointVenturesEnteredInto_019fec0d-9201-73dd-a0d7-77b1bd2dff86" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_019fec0d-9201-7c26-a4c0-49557f32a345" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_019fec0d-9201-7c26-a4c0-49557f32a345" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_019fec0d-9201-7510-9411-b30c9b1204b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_019fec0d-9201-7510-9411-b30c9b1204b0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-9201-7b05-942d-be89f20a0d11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_019fec0d-9201-7b05-942d-be89f20a0d11" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-9201-72f3-bfe3-5f39bc10cba3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfUnitsInRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_NumberOfUnitsInRealEstateProperty_019fec0d-9201-72f3-bfe3-5f39bc10cba3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfStatesInWhichEntityOperates_019fec0d-9201-76b1-8561-c446167bb8a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfStatesInWhichEntityOperates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_NumberOfStatesInWhichEntityOperates_019fec0d-9201-76b1-8561-c446167bb8a8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FinancingReceivableInitialPurchaseOptionOwnershipPercentage_019fec0d-9201-75b4-b01b-c78f8391293d" xlink:href="inn-20260930.xsd#inn_FinancingReceivableInitialPurchaseOptionOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_inn_FinancingReceivableInitialPurchaseOptionOwnershipPercentage_019fec0d-9201-75b4-b01b-c78f8391293d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_019fec0d-9201-7864-86a5-1c93372df92c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_019fec0d-9201-7864-86a5-1c93372df92c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_JointVentureFeeSimpleInterestInPropertyAndInvestments_019fec0d-9201-73bb-baa3-b9f7bec23c42" xlink:href="inn-20260930.xsd#inn_JointVentureFeeSimpleInterestInPropertyAndInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_inn_JointVentureFeeSimpleInterestInPropertyAndInvestments_019fec0d-9201-73bb-baa3-b9f7bec23c42" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfShares_019fec0d-9201-7990-a8dd-1e31d21f3d58" xlink:href="inn-20260930.xsd#inn_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_inn_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfShares_019fec0d-9201-7990-a8dd-1e31d21f3d58" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesIssued_019fec0d-9201-75b6-85f9-533973bbb43a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TemporaryEquitySharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fec0d-9201-7c46-a4ed-36feb5739e04" xlink:to="loc_us-gaap_TemporaryEquitySharesIssued_019fec0d-9201-75b6-85f9-533973bbb43a" xlink:type="arc" order="13"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/FAIRVALUEMEASUREMENTScheduleofDisclosuresConcerningFinancialInstrumentsMeasuredatFairValueDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#FAIRVALUEMEASUREMENTScheduleofDisclosuresConcerningFinancialInstrumentsMeasuredatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/FAIRVALUEMEASUREMENTScheduleofDisclosuresConcerningFinancialInstrumentsMeasuredatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-7681-92d5-626a529a5fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-7d07-97dc-c50cda60a3c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-7681-92d5-626a529a5fcf" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-7d07-97dc-c50cda60a3c7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7bab-8d8b-37430156167f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-7d07-97dc-c50cda60a3c7" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7bab-8d8b-37430156167f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7bab-8d8b-37430156167f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7bab-8d8b-37430156167f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7bab-8d8b-37430156167f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7adc-a348-8d552d46045c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fec0d-9201-7bab-8d8b-37430156167f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7adc-a348-8d552d46045c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7f83-a8a8-8fcc76ba9a95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fec0d-9201-7adc-a348-8d552d46045c" xlink:to="loc_us-gaap_InterestRateSwapMember_019fec0d-9201-7f83-a8a8-8fcc76ba9a95" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7128-a361-59dda008cbba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-7d07-97dc-c50cda60a3c7" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7128-a361-59dda008cbba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7128-a361-59dda008cbba_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7128-a361-59dda008cbba" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7128-a361-59dda008cbba_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7c02-97b3-8f5a0bd7ea43" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7128-a361-59dda008cbba" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7c02-97b3-8f5a0bd7ea43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019fec0d-9201-7b9a-8dfe-4c19d16c23c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7c02-97b3-8f5a0bd7ea43" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019fec0d-9201-7b9a-8dfe-4c19d16c23c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019fec0d-9201-7f89-9ec0-c9a8ba48ea73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7c02-97b3-8f5a0bd7ea43" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019fec0d-9201-7f89-9ec0-c9a8ba48ea73" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019fec0d-9201-763e-bec0-197a94768001" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7c02-97b3-8f5a0bd7ea43" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019fec0d-9201-763e-bec0-197a94768001" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_019fec0d-9201-77d5-8c0c-85b01083929e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-7681-92d5-626a529a5fcf" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_019fec0d-9201-77d5-8c0c-85b01083929e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019fec0d-9201-7a2f-b593-3e8e71a25a46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_019fec0d-9201-77d5-8c0c-85b01083929e" xlink:to="loc_us-gaap_DerivativeAssets_019fec0d-9201-7a2f-b593-3e8e71a25a46" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FinancingReceivablePurchaseOptionsRelatedToRealEstateLoans_019fec0d-9201-7e36-a5a8-ec578de23403" xlink:href="inn-20260930.xsd#inn_FinancingReceivablePurchaseOptionsRelatedToRealEstateLoans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_019fec0d-9201-77d5-8c0c-85b01083929e" xlink:to="loc_inn_FinancingReceivablePurchaseOptionsRelatedToRealEstateLoans_019fec0d-9201-7e36-a5a8-ec578de23403" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_019fec0d-9201-7909-bd0b-787758e70dda" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-7681-92d5-626a529a5fcf" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_019fec0d-9201-7909-bd0b-787758e70dda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019fec0d-9201-7d88-aad8-387ffe00cf0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_019fec0d-9201-7909-bd0b-787758e70dda" xlink:to="loc_us-gaap_DerivativeLiabilities_019fec0d-9201-7d88-aad8-387ffe00cf0d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/FAIRVALUEMEASUREMENTScheduleofUnobservableInputsforFairValuesofPurchaseOptionsDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#FAIRVALUEMEASUREMENTScheduleofUnobservableInputsforFairValuesofPurchaseOptionsDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/FAIRVALUEMEASUREMENTScheduleofUnobservableInputsforFairValuesofPurchaseOptionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-701a-ac66-fd192cfd2c48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-76b5-b68c-afef9965497c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-701a-ac66-fd192cfd2c48" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-76b5-b68c-afef9965497c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_019fec0d-9201-744f-841c-38daf8e118ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-76b5-b68c-afef9965497c" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_019fec0d-9201-744f-841c-38daf8e118ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-744f-841c-38daf8e118ed_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_019fec0d-9201-744f-841c-38daf8e118ed" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-744f-841c-38daf8e118ed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-76aa-9703-8f1072b56f69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_019fec0d-9201-744f-841c-38daf8e118ed" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-76aa-9703-8f1072b56f69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_MeasurementInputEstimatedEquityValueMember_019fec0d-9201-71e6-849d-1a94e585bc21" xlink:href="inn-20260930.xsd#inn_MeasurementInputEstimatedEquityValueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-76aa-9703-8f1072b56f69" xlink:to="loc_inn_MeasurementInputEstimatedEquityValueMember_019fec0d-9201-71e6-849d-1a94e585bc21" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_MeasurementInputWeightedAverageCostOfCapitalMember_019fec0d-9201-794c-8928-9b8726babc32" xlink:href="inn-20260930.xsd#inn_MeasurementInputWeightedAverageCostOfCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-76aa-9703-8f1072b56f69" xlink:to="loc_inn_MeasurementInputWeightedAverageCostOfCapitalMember_019fec0d-9201-794c-8928-9b8726babc32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputOptionVolatilityMember_019fec0d-9201-75ae-9615-4e1c701eb8e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputOptionVolatilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-76aa-9703-8f1072b56f69" xlink:to="loc_us-gaap_MeasurementInputOptionVolatilityMember_019fec0d-9201-75ae-9615-4e1c701eb8e0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_019fec0d-9201-7884-9d91-a01d3d4d54f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-76aa-9703-8f1072b56f69" xlink:to="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_019fec0d-9201-7884-9d91-a01d3d4d54f5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedTermMember_019fec0d-9201-74e4-9be2-c98515a56957" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MeasurementInputExpectedTermMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_019fec0d-9201-76aa-9703-8f1072b56f69" xlink:to="loc_us-gaap_MeasurementInputExpectedTermMember_019fec0d-9201-74e4-9be2-c98515a56957" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fec0d-9201-755c-a47d-91187f414a9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-76b5-b68c-afef9965497c" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fec0d-9201-755c-a47d-91187f414a9e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fec0d-9201-755c-a47d-91187f414a9e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fec0d-9201-755c-a47d-91187f414a9e" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fec0d-9201-755c-a47d-91187f414a9e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fec0d-9201-7ed1-9b53-93d92f27c9f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fec0d-9201-755c-a47d-91187f414a9e" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fec0d-9201-7ed1-9b53-93d92f27c9f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_019fec0d-9201-7a18-b65b-749588b2f40e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fec0d-9201-7ed1-9b53-93d92f27c9f3" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_019fec0d-9201-7a18-b65b-749588b2f40e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7f60-a206-7bc48f3eae06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fec0d-9201-76b5-b68c-afef9965497c" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7f60-a206-7bc48f3eae06" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7f60-a206-7bc48f3eae06_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7f60-a206-7bc48f3eae06" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-7f60-a206-7bc48f3eae06_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-78fa-a6d2-5ac70e2a2b47" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fec0d-9201-7f60-a206-7bc48f3eae06" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-78fa-a6d2-5ac70e2a2b47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019fec0d-9201-73db-83d0-e850cf307505" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fec0d-9201-78fa-a6d2-5ac70e2a2b47" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019fec0d-9201-73db-83d0-e850cf307505" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PurchaseOptionsEstimatedEquityValue_019fec0d-9201-74a7-87d6-a2fc8c275ed4" xlink:href="inn-20260930.xsd#inn_PurchaseOptionsEstimatedEquityValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-701a-ac66-fd192cfd2c48" xlink:to="loc_inn_PurchaseOptionsEstimatedEquityValue_019fec0d-9201-74a7-87d6-a2fc8c275ed4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PurchaseOptionsMeasurementInput_019fec0d-9201-7f3b-950f-92aa94145e02" xlink:href="inn-20260930.xsd#inn_PurchaseOptionsMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fec0d-9201-701a-ac66-fd192cfd2c48" xlink:to="loc_inn_PurchaseOptionsMeasurementInput_019fec0d-9201-7f3b-950f-92aa94145e02" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#COMMITMENTSANDCONTINGENCIESDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsLineItems_019fec0d-9202-7c4e-8c17-6c73c415348e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitmentsTable_019fec0d-9202-701c-8706-79bf624518fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCommitmentsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fec0d-9202-7c4e-8c17-6c73c415348e" xlink:to="loc_us-gaap_OtherCommitmentsTable_019fec0d-9202-701c-8706-79bf624518fb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfArrangementAxis_019fec0d-9202-712e-91cf-a19b6685f9e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TypeOfArrangementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fec0d-9202-701c-8706-79bf624518fb" xlink:to="loc_us-gaap_TypeOfArrangementAxis_019fec0d-9202-712e-91cf-a19b6685f9e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_019fec0d-9202-712e-91cf-a19b6685f9e9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TypeOfArrangementAxis_019fec0d-9202-712e-91cf-a19b6685f9e9" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_019fec0d-9202-712e-91cf-a19b6685f9e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_019fec0d-9202-76e3-a296-3e233c432720" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TypeOfArrangementAxis_019fec0d-9202-712e-91cf-a19b6685f9e9" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_019fec0d-9202-76e3-a296-3e233c432720" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FranchiseAgreementsMember_019fec0d-9202-7d68-8310-70d019d23e93" xlink:href="inn-20260930.xsd#inn_FranchiseAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_019fec0d-9202-76e3-a296-3e233c432720" xlink:to="loc_inn_FranchiseAgreementsMember_019fec0d-9202-7d68-8310-70d019d23e93" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ManagementAgreementsMember_019fec0d-9202-7da0-91a6-68eecce8eaf8" xlink:href="inn-20260930.xsd#inn_ManagementAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_019fec0d-9202-76e3-a296-3e233c432720" xlink:to="loc_inn_ManagementAgreementsMember_019fec0d-9202-7da0-91a6-68eecce8eaf8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-9202-78de-a17f-1fa72434b97a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_OtherCommitmentsTable_019fec0d-9202-701c-8706-79bf624518fb" xlink:to="loc_srt_RangeAxis_019fec0d-9202-78de-a17f-1fa72434b97a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9202-78de-a17f-1fa72434b97a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-9202-78de-a17f-1fa72434b97a" xlink:to="loc_srt_RangeMember_019fec0d-9202-78de-a17f-1fa72434b97a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9202-7615-8251-9fa163c877d7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-9202-78de-a17f-1fa72434b97a" xlink:to="loc_srt_RangeMember_019fec0d-9202-7615-8251-9fa163c877d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fec0d-9202-764f-b601-acd8edb35f01" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-9202-7615-8251-9fa163c877d7" xlink:to="loc_srt_MinimumMember_019fec0d-9202-764f-b601-acd8edb35f01" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019fec0d-9202-7c85-8929-bdfaa83b45c0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-9202-7615-8251-9fa163c877d7" xlink:to="loc_srt_MaximumMember_019fec0d-9202-7c85-8929-bdfaa83b45c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_TermOfContract_019fec0d-9202-7520-bbdb-01d53399c79f" xlink:href="inn-20260930.xsd#inn_TermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fec0d-9202-7c4e-8c17-6c73c415348e" xlink:to="loc_inn_TermOfContract_019fec0d-9202-7520-bbdb-01d53399c79f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FranchiseFeesReceivedByEachFranchisorAsPercentageOfEachRealEstatePropertysGrossRevenue_019fec0d-9202-7be0-8456-87c50c168a88" xlink:href="inn-20260930.xsd#inn_FranchiseFeesReceivedByEachFranchisorAsPercentageOfEachRealEstatePropertysGrossRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fec0d-9202-7c4e-8c17-6c73c415348e" xlink:to="loc_inn_FranchiseFeesReceivedByEachFranchisorAsPercentageOfEachRealEstatePropertysGrossRevenue_019fec0d-9202-7be0-8456-87c50c168a88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_MarketingFeesPayableAsPercentageOfEachRealEstatePropertiesGrossRevenue_019fec0d-9202-782e-a9d4-f639fe8f3701" xlink:href="inn-20260930.xsd#inn_MarketingFeesPayableAsPercentageOfEachRealEstatePropertiesGrossRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fec0d-9202-7c4e-8c17-6c73c415348e" xlink:to="loc_inn_MarketingFeesPayableAsPercentageOfEachRealEstatePropertiesGrossRevenue_019fec0d-9202-782e-a9d4-f639fe8f3701" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_DepositsRequiredAsPercentageOfRealEstatePropertysGrossRevenueIntoReserveFundForCapitalExpenditures_019fec0d-9202-741a-8bc4-6ec1d6534fec" xlink:href="inn-20260930.xsd#inn_DepositsRequiredAsPercentageOfRealEstatePropertysGrossRevenueIntoReserveFundForCapitalExpenditures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fec0d-9202-7c4e-8c17-6c73c415348e" xlink:to="loc_inn_DepositsRequiredAsPercentageOfRealEstatePropertysGrossRevenueIntoReserveFundForCapitalExpenditures_019fec0d-9202-741a-8bc4-6ec1d6534fec" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FeesExpensedRelatedToAgreement_019fec0d-9202-7f84-956f-8ac55777a839" xlink:href="inn-20260930.xsd#inn_FeesExpensedRelatedToAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherCommitmentsLineItems_019fec0d-9202-7c4e-8c17-6c73c415348e" xlink:to="loc_inn_FeesExpensedRelatedToAgreement_019fec0d-9202-7f84-956f-8ac55777a839" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofTimebasedRestrictedStockActivityDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#EQUITYBASEDCOMPENSATIONScheduleofTimebasedRestrictedStockActivityDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofTimebasedRestrictedStockActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-72e2-9a09-1a1509fb2bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7e44-8be5-41253bda9112" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-72e2-9a09-1a1509fb2bf4" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7e44-8be5-41253bda9112" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fec0d-9202-774f-bc27-a89e4dc1a21f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7e44-8be5-41253bda9112" xlink:to="loc_us-gaap_AwardTypeAxis_019fec0d-9202-774f-bc27-a89e4dc1a21f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-774f-bc27-a89e4dc1a21f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-774f-bc27-a89e4dc1a21f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-774f-bc27-a89e4dc1a21f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-778e-9232-9c36a666f79c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-774f-bc27-a89e4dc1a21f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-778e-9232-9c36a666f79c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7762-8dd3-7d22887b0b1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-778e-9232-9c36a666f79c" xlink:to="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7762-8dd3-7d22887b0b1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaAxis_019fec0d-9202-7340-a203-a30552339167" xlink:href="inn-20260930.xsd#inn_VestingCriteriaAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7e44-8be5-41253bda9112" xlink:to="loc_inn_VestingCriteriaAxis_019fec0d-9202-7340-a203-a30552339167" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-7340-a203-a30552339167_default" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-7340-a203-a30552339167" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-7340-a203-a30552339167_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-7682-9f39-f4a19d583704" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-7340-a203-a30552339167" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-7682-9f39-f4a19d583704" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-7335-a404-f1999a1c391c" xlink:href="inn-20260930.xsd#inn_VestingBasedOnServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_VestingCriteriaDomain_019fec0d-9202-7682-9f39-f4a19d583704" xlink:to="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-7335-a404-f1999a1c391c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-725b-9b18-4c4c0c0c24e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-72e2-9a09-1a1509fb2bf4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-725b-9b18-4c4c0c0c24e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fec0d-9202-746d-8758-5da0ccf08928" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-725b-9b18-4c4c0c0c24e1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fec0d-9202-746d-8758-5da0ccf08928" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019fec0d-9202-7945-a1d8-752ab5dcee45" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-725b-9b18-4c4c0c0c24e1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019fec0d-9202-7945-a1d8-752ab5dcee45" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019fec0d-9202-7581-9c9e-8d07ea9963c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-725b-9b18-4c4c0c0c24e1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019fec0d-9202-7581-9c9e-8d07ea9963c0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019fec0d-9202-7ca0-aa72-38d8688dc7c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-725b-9b18-4c4c0c0c24e1" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019fec0d-9202-7ca0-aa72-38d8688dc7c3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fec0d-9202-7f51-be35-23e8ee71a9a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019fec0d-9202-7069-88b6-2caaca34a640" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-72e2-9a09-1a1509fb2bf4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019fec0d-9202-7069-88b6-2caaca34a640" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fec0d-9202-7531-b0ce-a4146200ca3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019fec0d-9202-7069-88b6-2caaca34a640" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fec0d-9202-7531-b0ce-a4146200ca3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fec0d-9202-7b47-85a6-09d351e4c4ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019fec0d-9202-7069-88b6-2caaca34a640" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fec0d-9202-7b47-85a6-09d351e4c4ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019fec0d-9202-7cee-857a-2adbbdace3df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019fec0d-9202-7069-88b6-2caaca34a640" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019fec0d-9202-7cee-857a-2adbbdace3df" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019fec0d-9202-76c7-9cdc-dd3f97c3485e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_019fec0d-9202-7069-88b6-2caaca34a640" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019fec0d-9202-76c7-9cdc-dd3f97c3485e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fec0d-9202-7090-a741-a13b53ccd846" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fec0d-9202-7692-92fd-a30d9ba73ace" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-72e2-9a09-1a1509fb2bf4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fec0d-9202-7692-92fd-a30d9ba73ace" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateCurrentValueNonvested_019fec0d-9202-788d-a14c-e4f6040454ec" xlink:href="inn-20260930.xsd#inn_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateCurrentValueNonvested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fec0d-9202-7692-92fd-a30d9ba73ace" xlink:to="loc_inn_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateCurrentValueNonvested_019fec0d-9202-788d-a14c-e4f6040454ec" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONAdditionalInformationDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#EQUITYBASEDCOMPENSATIONAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f6-9ace-bb6ef9870010" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7db8-af14-8b4936f46459" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f6-9ace-bb6ef9870010" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7db8-af14-8b4936f46459" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaAxis_019fec0d-9202-751e-a88e-7236fb69dbd4" xlink:href="inn-20260930.xsd#inn_VestingCriteriaAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7db8-af14-8b4936f46459" xlink:to="loc_inn_VestingCriteriaAxis_019fec0d-9202-751e-a88e-7236fb69dbd4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-751e-a88e-7236fb69dbd4_default" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-751e-a88e-7236fb69dbd4" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-751e-a88e-7236fb69dbd4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-7a49-9203-a072a373dad6" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-751e-a88e-7236fb69dbd4" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-7a49-9203-a072a373dad6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-7e9f-bdfb-f581f4d2555e" xlink:href="inn-20260930.xsd#inn_VestingBasedOnServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_VestingCriteriaDomain_019fec0d-9202-7a49-9203-a072a373dad6" xlink:to="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-7e9f-bdfb-f581f4d2555e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7d5d-b3d7-1de8b6f68455" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7db8-af14-8b4936f46459" xlink:to="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7d5d-b3d7-1de8b6f68455" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7d5d-b3d7-1de8b6f68455_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7d5d-b3d7-1de8b6f68455" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7d5d-b3d7-1de8b6f68455_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7067-b30c-9f7e54d34418" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7d5d-b3d7-1de8b6f68455" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7067-b30c-9f7e54d34418" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_EmployeesMember_019fec0d-9202-7184-abad-c690aab750d0" xlink:href="inn-20260930.xsd#inn_EmployeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7067-b30c-9f7e54d34418" xlink:to="loc_inn_EmployeesMember_019fec0d-9202-7184-abad-c690aab750d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ExecutiveOfficerMember_019fec0d-9202-7d4e-909f-76fc95edff63" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7067-b30c-9f7e54d34418" xlink:to="loc_srt_ExecutiveOfficerMember_019fec0d-9202-7d4e-909f-76fc95edff63" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7c0b-b353-c274d16c7e90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7db8-af14-8b4936f46459" xlink:to="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7c0b-b353-c274d16c7e90" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7c0b-b353-c274d16c7e90_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7c0b-b353-c274d16c7e90" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7c0b-b353-c274d16c7e90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-75f4-8cee-f0574c0b99dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7c0b-b353-c274d16c7e90" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-75f4-8cee-f0574c0b99dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7b53-aa71-fa1a7a68440e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-75f4-8cee-f0574c0b99dd" xlink:to="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7b53-aa71-fa1a7a68440e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_019fec0d-9202-71b1-972f-33de047e0522" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7db8-af14-8b4936f46459" xlink:to="loc_us-gaap_VestingAxis_019fec0d-9202-71b1-972f-33de047e0522" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_019fec0d-9202-71b1-972f-33de047e0522_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_019fec0d-9202-71b1-972f-33de047e0522" xlink:to="loc_us-gaap_VestingDomain_019fec0d-9202-71b1-972f-33de047e0522_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_019fec0d-9202-7b37-9923-558680da1c84" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_019fec0d-9202-71b1-972f-33de047e0522" xlink:to="loc_us-gaap_VestingDomain_019fec0d-9202-7b37-9923-558680da1c84" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_019fec0d-9202-7e76-8c7c-368b8198f0d3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_019fec0d-9202-7b37-9923-558680da1c84" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_019fec0d-9202-7e76-8c7c-368b8198f0d3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_019fec0d-9202-762a-9751-007161944e1b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_019fec0d-9202-7b37-9923-558680da1c84" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_019fec0d-9202-762a-9751-007161944e1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_019fec0d-9202-7af4-a34f-aa35ee55766d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_019fec0d-9202-7b37-9923-558680da1c84" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheThreeMember_019fec0d-9202-7af4-a34f-aa35ee55766d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019fec0d-9202-785f-b2ba-ed8fc7caa825" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7db8-af14-8b4936f46459" xlink:to="loc_srt_RangeAxis_019fec0d-9202-785f-b2ba-ed8fc7caa825" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9202-785f-b2ba-ed8fc7caa825_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019fec0d-9202-785f-b2ba-ed8fc7caa825" xlink:to="loc_srt_RangeMember_019fec0d-9202-785f-b2ba-ed8fc7caa825_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019fec0d-9202-7e71-9fae-6eb460bda7b0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019fec0d-9202-785f-b2ba-ed8fc7caa825" xlink:to="loc_srt_RangeMember_019fec0d-9202-7e71-9fae-6eb460bda7b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019fec0d-9202-7b03-8b41-77dfcc882394" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-9202-7e71-9fae-6eb460bda7b0" xlink:to="loc_srt_MinimumMember_019fec0d-9202-7b03-8b41-77dfcc882394" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_01a05d93-31f7-70af-bb2e-1134b46e5a15" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019fec0d-9202-7e71-9fae-6eb460bda7b0" xlink:to="loc_srt_MaximumMember_01a05d93-31f7-70af-bb2e-1134b46e5a15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019fec0d-9202-7c42-8260-2db8032c454c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f6-9ace-bb6ef9870010" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019fec0d-9202-7c42-8260-2db8032c454c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_019fec0d-9202-792f-a8da-0dfd95fbd05a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f6-9ace-bb6ef9870010" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_019fec0d-9202-792f-a8da-0dfd95fbd05a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019fec0d-9202-7026-86e2-ebc9ce225acd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f6-9ace-bb6ef9870010" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019fec0d-9202-7026-86e2-ebc9ce225acd" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofPerformanceBasedRestrictedStockAwardsDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#EQUITYBASEDCOMPENSATIONScheduleofPerformanceBasedRestrictedStockAwardsDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofPerformanceBasedRestrictedStockAwardsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-7587-a025-ebe1e404f4fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7a83-ab4b-faa350d08bfe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-7587-a025-ebe1e404f4fc" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7a83-ab4b-faa350d08bfe" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7e71-8616-3b7d9fb2d717" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7a83-ab4b-faa350d08bfe" xlink:to="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7e71-8616-3b7d9fb2d717" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7e71-8616-3b7d9fb2d717_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7e71-8616-3b7d9fb2d717" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7e71-8616-3b7d9fb2d717_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7237-b8f4-3b93d4a713d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7e71-8616-3b7d9fb2d717" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7237-b8f4-3b93d4a713d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7b39-af56-819067b3ded8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7237-b8f4-3b93d4a713d1" xlink:to="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7b39-af56-819067b3ded8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaAxis_019fec0d-9202-7300-bdcb-66619406ae32" xlink:href="inn-20260930.xsd#inn_VestingCriteriaAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7a83-ab4b-faa350d08bfe" xlink:to="loc_inn_VestingCriteriaAxis_019fec0d-9202-7300-bdcb-66619406ae32" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-7300-bdcb-66619406ae32_default" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-7300-bdcb-66619406ae32" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-7300-bdcb-66619406ae32_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-7817-9eaa-53f098075146" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-7300-bdcb-66619406ae32" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-7817-9eaa-53f098075146" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingBasedOnPerformanceMember_019fec0d-9202-7095-b064-a6416ec4d29a" xlink:href="inn-20260930.xsd#inn_VestingBasedOnPerformanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_VestingCriteriaDomain_019fec0d-9202-7817-9eaa-53f098075146" xlink:to="loc_inn_VestingBasedOnPerformanceMember_019fec0d-9202-7095-b064-a6416ec4d29a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-783b-ad7d-03237fa10c67" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-7587-a025-ebe1e404f4fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-783b-ad7d-03237fa10c67" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fec0d-9202-7030-b73a-59cf773d0208" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-783b-ad7d-03237fa10c67" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fec0d-9202-7030-b73a-59cf773d0208" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019fec0d-9202-75be-a7ed-8c68d927a8f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-783b-ad7d-03237fa10c67" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019fec0d-9202-75be-a7ed-8c68d927a8f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019fec0d-9202-73ab-ad2e-9582680e087d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019fec0d-9202-783b-ad7d-03237fa10c67" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019fec0d-9202-73ab-ad2e-9582680e087d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019fec0d-9202-72e9-bc05-d9406773264d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract_019fec0d-9202-7b70-a6e1-0ff73e17f680" xlink:href="inn-20260930.xsd#inn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-7587-a025-ebe1e404f4fc" xlink:to="loc_inn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract_019fec0d-9202-7b70-a6e1-0ff73e17f680" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fec0d-9202-746d-90a7-3a186260e3a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract_019fec0d-9202-7b70-a6e1-0ff73e17f680" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fec0d-9202-746d-90a7-3a186260e3a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fec0d-9202-768d-af95-b76673cae5b1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract_019fec0d-9202-7b70-a6e1-0ff73e17f680" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019fec0d-9202-768d-af95-b76673cae5b1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019fec0d-9202-73c1-9377-dc144cbcc628" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValueAbstract_019fec0d-9202-7b70-a6e1-0ff73e17f680" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019fec0d-9202-73c1-9377-dc144cbcc628" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019fec0d-9202-78e2-8b6b-a5c42ede6aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fec0d-9202-71fc-a5cd-ca63f83920f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-7587-a025-ebe1e404f4fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fec0d-9202-71fc-a5cd-ca63f83920f2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateCurrentValueNonvested_019fec0d-9202-7221-8d86-e09ba1b597aa" xlink:href="inn-20260930.xsd#inn_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateCurrentValueNonvested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_019fec0d-9202-71fc-a5cd-ca63f83920f2" xlink:to="loc_inn_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateCurrentValueNonvested_019fec0d-9202-7221-8d86-e09ba1b597aa" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofEquityBasedCompensationExpenseDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#EQUITYBASEDCOMPENSATIONScheduleofEquityBasedCompensationExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofEquityBasedCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f3-aa33-21f5069ea104" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7c6b-abe0-e6de524d8061" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f3-aa33-21f5069ea104" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7c6b-abe0-e6de524d8061" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaAxis_019fec0d-9202-7788-be2a-ef50838ee8c8" xlink:href="inn-20260930.xsd#inn_VestingCriteriaAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7c6b-abe0-e6de524d8061" xlink:to="loc_inn_VestingCriteriaAxis_019fec0d-9202-7788-be2a-ef50838ee8c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-7788-be2a-ef50838ee8c8_default" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-7788-be2a-ef50838ee8c8" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-7788-be2a-ef50838ee8c8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-71ab-bbff-69f3aaf166b7" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-7788-be2a-ef50838ee8c8" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-71ab-bbff-69f3aaf166b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-70d0-98f3-a1707230a57e" xlink:href="inn-20260930.xsd#inn_VestingBasedOnServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_VestingCriteriaDomain_019fec0d-9202-71ab-bbff-69f3aaf166b7" xlink:to="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-70d0-98f3-a1707230a57e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingBasedOnPerformanceMember_019fec0d-9202-7ea3-931e-f2225b40f6de" xlink:href="inn-20260930.xsd#inn_VestingBasedOnPerformanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_VestingCriteriaDomain_019fec0d-9202-71ab-bbff-69f3aaf166b7" xlink:to="loc_inn_VestingBasedOnPerformanceMember_019fec0d-9202-7ea3-931e-f2225b40f6de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7992-a672-d91275eafec7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7c6b-abe0-e6de524d8061" xlink:to="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7992-a672-d91275eafec7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7992-a672-d91275eafec7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7992-a672-d91275eafec7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7992-a672-d91275eafec7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7395-b0ee-0e6ee28271d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7992-a672-d91275eafec7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7395-b0ee-0e6ee28271d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_019fec0d-9202-70fb-b206-a349274199f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7395-b0ee-0e6ee28271d7" xlink:to="loc_us-gaap_RestrictedStockMember_019fec0d-9202-70fb-b206-a349274199f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_019fec0d-9202-7997-b6e4-a81bc11b56a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7395-b0ee-0e6ee28271d7" xlink:to="loc_us-gaap_StockCompensationPlanMember_019fec0d-9202-7997-b6e4-a81bc11b56a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7069-8b2c-6355a520b0aa" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019fec0d-9202-7c6b-abe0-e6de524d8061" xlink:to="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7069-8b2c-6355a520b0aa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7069-8b2c-6355a520b0aa_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7069-8b2c-6355a520b0aa" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-7069-8b2c-6355a520b0aa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-768b-98ab-bdfe1f267a5d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_TitleOfIndividualAxis_019fec0d-9202-7069-8b2c-6355a520b0aa" xlink:to="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-768b-98ab-bdfe1f267a5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember_019fec0d-9202-7964-b2a2-85b4fcbe37a5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_DirectorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain_019fec0d-9202-768b-98ab-bdfe1f267a5d" xlink:to="loc_srt_DirectorMember_019fec0d-9202-7964-b2a2-85b4fcbe37a5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019fec0d-9202-756f-a96a-dd98b298258b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019fec0d-9202-76f3-aa33-21f5069ea104" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019fec0d-9202-756f-a96a-dd98b298258b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofUnrecognizedEquitybasedCompensationExpenseforallNonvestedAwardsDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#EQUITYBASEDCOMPENSATIONScheduleofUnrecognizedEquitybasedCompensationExpenseforallNonvestedAwardsDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/EQUITYBASEDCOMPENSATIONScheduleofUnrecognizedEquitybasedCompensationExpenseforallNonvestedAwardsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_019fec0d-9202-772d-99cd-5bd29875e4fd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_019fec0d-9202-7991-8c4c-7833b41bd00c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_019fec0d-9202-772d-99cd-5bd29875e4fd" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_019fec0d-9202-7991-8c4c-7833b41bd00c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaAxis_019fec0d-9202-71c3-a26a-b0aaa947c93f" xlink:href="inn-20260930.xsd#inn_VestingCriteriaAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_019fec0d-9202-7991-8c4c-7833b41bd00c" xlink:to="loc_inn_VestingCriteriaAxis_019fec0d-9202-71c3-a26a-b0aaa947c93f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-71c3-a26a-b0aaa947c93f_default" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-71c3-a26a-b0aaa947c93f" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-71c3-a26a-b0aaa947c93f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingCriteriaDomain_019fec0d-9202-7666-aee5-80211c73204e" xlink:href="inn-20260930.xsd#inn_VestingCriteriaDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_inn_VestingCriteriaAxis_019fec0d-9202-71c3-a26a-b0aaa947c93f" xlink:to="loc_inn_VestingCriteriaDomain_019fec0d-9202-7666-aee5-80211c73204e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-7e29-a632-a35b39c443c5" xlink:href="inn-20260930.xsd#inn_VestingBasedOnServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_VestingCriteriaDomain_019fec0d-9202-7666-aee5-80211c73204e" xlink:to="loc_inn_VestingBasedOnServiceMember_019fec0d-9202-7e29-a632-a35b39c443c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_VestingBasedOnPerformanceMember_019fec0d-9202-7fb3-89bf-92950f83243c" xlink:href="inn-20260930.xsd#inn_VestingBasedOnPerformanceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_inn_VestingCriteriaDomain_019fec0d-9202-7666-aee5-80211c73204e" xlink:to="loc_inn_VestingBasedOnPerformanceMember_019fec0d-9202-7fb3-89bf-92950f83243c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7af5-b20f-7fca9b84759a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_019fec0d-9202-7991-8c4c-7833b41bd00c" xlink:to="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7af5-b20f-7fca9b84759a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7af5-b20f-7fca9b84759a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7af5-b20f-7fca9b84759a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7af5-b20f-7fca9b84759a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7bc5-81b2-8b816e308357" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019fec0d-9202-7af5-b20f-7fca9b84759a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7bc5-81b2-8b816e308357" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7731-a9f1-b2598cb6ad78" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019fec0d-9202-7bc5-81b2-8b816e308357" xlink:to="loc_us-gaap_RestrictedStockMember_019fec0d-9202-7731-a9f1-b2598cb6ad78" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019fec0d-9202-7bcc-9318-e774867a0fda" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_019fec0d-9202-772d-99cd-5bd29875e4fd" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019fec0d-9202-7bcc-9318-e774867a0fda" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountRemainderOfFiscalYear_019fec0d-9202-7153-8bf7-ebc68272a7de" xlink:href="inn-20260930.xsd#inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountRemainderOfFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_019fec0d-9202-772d-99cd-5bd29875e4fd" xlink:to="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountRemainderOfFiscalYear_019fec0d-9202-7153-8bf7-ebc68272a7de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearOne_019fec0d-9202-70a8-a1dc-7ef368dd5e0d" xlink:href="inn-20260930.xsd#inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearOne"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_019fec0d-9202-772d-99cd-5bd29875e4fd" xlink:to="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearOne_019fec0d-9202-70a8-a1dc-7ef368dd5e0d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearTwo_019fec0d-9202-7a43-a420-9a0b28c84cee" xlink:href="inn-20260930.xsd#inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_019fec0d-9202-772d-99cd-5bd29875e4fd" xlink:to="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearTwo_019fec0d-9202-7a43-a420-9a0b28c84cee" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearThree_019fec0d-9202-7a13-be4f-73ac5d1a7503" xlink:href="inn-20260930.xsd#inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_019fec0d-9202-772d-99cd-5bd29875e4fd" xlink:to="loc_inn_ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmountYearThree_019fec0d-9202-7a13-be4f-73ac5d1a7503" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/SEGMENTINFORMATIONScheduleofReconciliationofOperatingProfitLossfromSegmentstoConsolidatedDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#SEGMENTINFORMATIONScheduleofReconciliationofOperatingProfitLossfromSegmentstoConsolidatedDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/SEGMENTINFORMATIONScheduleofReconciliationofOperatingProfitLossfromSegmentstoConsolidatedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-71be-b834-2fd818cbf3c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fec0d-9202-74db-8235-551ceccf99bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-71be-b834-2fd818cbf3c1" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fec0d-9202-74db-8235-551ceccf99bb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fec0d-9202-7671-9cef-81904b4136b1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fec0d-9202-74db-8235-551ceccf99bb" xlink:to="loc_srt_ProductOrServiceAxis_019fec0d-9202-7671-9cef-81904b4136b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fec0d-9202-7671-9cef-81904b4136b1_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019fec0d-9202-7671-9cef-81904b4136b1" xlink:to="loc_srt_ProductsAndServicesDomain_019fec0d-9202-7671-9cef-81904b4136b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fec0d-9202-7ffe-b6a3-a245b5ad060e" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019fec0d-9202-7671-9cef-81904b4136b1" xlink:to="loc_srt_ProductsAndServicesDomain_019fec0d-9202-7ffe-b6a3-a245b5ad060e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OccupancyMember_019fec0d-9202-7d4e-970a-c0e9de19a8a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OccupancyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fec0d-9202-7ffe-b6a3-a245b5ad060e" xlink:to="loc_us-gaap_OccupancyMember_019fec0d-9202-7d4e-970a-c0e9de19a8a5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FoodAndBeverageMember_019fec0d-9202-7a8f-8885-56c2760bfb6a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FoodAndBeverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fec0d-9202-7ffe-b6a3-a245b5ad060e" xlink:to="loc_us-gaap_FoodAndBeverageMember_019fec0d-9202-7a8f-8885-56c2760bfb6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HotelOtherMember_019fec0d-9202-7500-aa5a-136d059db3b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HotelOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fec0d-9202-7ffe-b6a3-a245b5ad060e" xlink:to="loc_us-gaap_HotelOtherMember_019fec0d-9202-7500-aa5a-136d059db3b0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-753d-90e8-7929349c2229" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fec0d-9202-74db-8235-551ceccf99bb" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-753d-90e8-7929349c2229" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fec0d-9202-753d-90e8-7929349c2229_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-753d-90e8-7929349c2229" xlink:to="loc_us-gaap_SegmentDomain_019fec0d-9202-753d-90e8-7929349c2229_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fec0d-9202-70b3-b6c0-c5431453f5b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-753d-90e8-7929349c2229" xlink:to="loc_us-gaap_SegmentDomain_019fec0d-9202-70b3-b6c0-c5431453f5b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ReportableSegmentsMember_019fec0d-9202-7f69-a06d-929d0e704f92" xlink:href="inn-20260930.xsd#inn_ReportableSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fec0d-9202-70b3-b6c0-c5431453f5b9" xlink:to="loc_inn_ReportableSegmentsMember_019fec0d-9202-7f69-a06d-929d0e704f92" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_019fec0d-9202-7a6c-9365-f8d6564a672a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-71be-b834-2fd818cbf3c1" xlink:to="loc_us-gaap_RevenuesAbstract_019fec0d-9202-7a6c-9365-f8d6564a672a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019fec0d-9202-7888-b62a-d9b27e115d40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_019fec0d-9202-7a6c-9365-f8d6564a672a" xlink:to="loc_us-gaap_Revenues_019fec0d-9202-7888-b62a-d9b27e115d40" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-71be-b834-2fd818cbf3c1" xlink:to="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019fec0d-9202-7870-bb41-77104a2cc169" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019fec0d-9202-7870-bb41-77104a2cc169" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019fec0d-9202-7778-87ab-7bc2d48b42ee" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019fec0d-9202-7778-87ab-7bc2d48b42ee" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_GeneralAndAdministrativeAdjusted_019fec0d-9202-7e2a-a977-b8822085e429" xlink:href="inn-20260930.xsd#inn_GeneralAndAdministrativeAdjusted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_inn_GeneralAndAdministrativeAdjusted_019fec0d-9202-7e2a-a977-b8822085e429" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTaxesAndInsurance_019fec0d-9202-7454-9a1b-7bd766a9b80c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateTaxesAndInsurance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_us-gaap_RealEstateTaxesAndInsurance_019fec0d-9202-7454-9a1b-7bd766a9b80c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfPropertyRepairsAndMaintenance_019fec0d-9202-7c76-b50a-9295b1e6fa38" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfPropertyRepairsAndMaintenance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_us-gaap_CostOfPropertyRepairsAndMaintenance_019fec0d-9202-7c76-b50a-9295b1e6fa38" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_UtilityCosts_019fec0d-9202-7a91-ac95-fcdfdb14f384" xlink:href="inn-20260930.xsd#inn_UtilityCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_inn_UtilityCosts_019fec0d-9202-7a91-ac95-fcdfdb14f384" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManagementFeeExpense_019fec0d-9202-72ea-a1f9-2b5c0cdffc32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ManagementFeeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_us-gaap_ManagementFeeExpense_019fec0d-9202-72ea-a1f9-2b5c0cdffc32" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_019fec0d-9202-721c-830f-747193c9890a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_019fec0d-9202-721c-830f-747193c9890a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_LodgingPropertyExpenses_019fec0d-9202-74fa-b730-ca1bea5e8ca9" xlink:href="inn-20260930.xsd#inn_LodgingPropertyExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_inn_LodgingPropertyExpenses_019fec0d-9202-74fa-b730-ca1bea5e8ca9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_EarningsBeforeInterestTaxDepreciationAndAmortization_019fec0d-9202-70bb-8920-f8c072e136a3" xlink:href="inn-20260930.xsd#inn_EarningsBeforeInterestTaxDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019fec0d-9202-7c81-92f7-6e734fcc3fa4" xlink:to="loc_inn_EarningsBeforeInterestTaxDepreciationAndAmortization_019fec0d-9202-70bb-8920-f8c072e136a3" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/SEGMENTINFORMATIONScheduleofReconciliationofLossfromContinuingOperationsBeforeIncomeTaxestoHotelEBITDADetails" xlink:type="simple" xlink:href="inn-20260930.xsd#SEGMENTINFORMATIONScheduleofReconciliationofLossfromContinuingOperationsBeforeIncomeTaxestoHotelEBITDADetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/SEGMENTINFORMATIONScheduleofReconciliationofLossfromContinuingOperationsBeforeIncomeTaxestoHotelEBITDADetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fec0d-9202-793c-a236-f9be20df53e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fec0d-9202-793c-a236-f9be20df53e0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-7747-b3dd-dd896c28b56f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fec0d-9202-793c-a236-f9be20df53e0" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-7747-b3dd-dd896c28b56f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fec0d-9202-7747-b3dd-dd896c28b56f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-7747-b3dd-dd896c28b56f" xlink:to="loc_us-gaap_SegmentDomain_019fec0d-9202-7747-b3dd-dd896c28b56f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fec0d-9202-782b-9257-c3af1f140868" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fec0d-9202-7747-b3dd-dd896c28b56f" xlink:to="loc_us-gaap_SegmentDomain_019fec0d-9202-782b-9257-c3af1f140868" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_ReportableSegmentsMember_019fec0d-9202-7737-9f7f-9a11b7be5832" xlink:href="inn-20260930.xsd#inn_ReportableSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fec0d-9202-782b-9257-c3af1f140868" xlink:to="loc_inn_ReportableSegmentsMember_019fec0d-9202-7737-9f7f-9a11b7be5832" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fec0d-9202-7ac8-8e54-cf975a2db267" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019fec0d-9202-7ac8-8e54-cf975a2db267" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019fec0d-9202-7c45-98b2-71bf41bec676" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_DepreciationAndAmortization_019fec0d-9202-7c45-98b2-71bf41bec676" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019fec0d-9202-723a-9a49-203546ed0155" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019fec0d-9202-723a-9a49-203546ed0155" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_019fec0d-9202-72ab-9707-fc157c8c6dd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_AssetImpairmentCharges_019fec0d-9202-72ab-9707-fc157c8c6dd3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_019fec0d-9202-7ed0-b153-175850c91dc3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GainLossOnDispositionOfAssets1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets1_019fec0d-9202-7ed0-b153-175850c91dc3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019fec0d-9202-77e4-a46b-ea0623785bd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019fec0d-9202-77e4-a46b-ea0623785bd3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_019fec0d-9202-7a99-98b8-bc5e4dcfe6c7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_InvestmentIncomeInterest_019fec0d-9202-7a99-98b8-bc5e4dcfe6c7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019fec0d-9202-7c18-8f4f-82092e4ad082" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019fec0d-9202-7c18-8f4f-82092e4ad082" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_EarningsBeforeInterestTaxDepreciationAndAmortization_019fec0d-9202-7876-a300-eff7a569e97a" xlink:href="inn-20260930.xsd#inn_EarningsBeforeInterestTaxDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fec0d-9202-7550-9f37-8f4c93dadb3c" xlink:to="loc_inn_EarningsBeforeInterestTaxDepreciationAndAmortization_019fec0d-9202-7876-a300-eff7a569e97a" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/RELATEDPARTYTRANSACTIONDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#RELATEDPARTYTRANSACTIONDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/RELATEDPARTYTRANSACTIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_019fec0d-9202-7e2b-9006-c3864c816cf5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fec0d-9202-7f75-b625-2f2b5f616a81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fec0d-9202-7e2b-9006-c3864c816cf5" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fec0d-9202-7f75-b625-2f2b5f616a81" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9202-740a-9c10-c7100244e1d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fec0d-9202-7f75-b625-2f2b5f616a81" xlink:to="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9202-740a-9c10-c7100244e1d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9202-740a-9c10-c7100244e1d7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9202-740a-9c10-c7100244e1d7" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9202-740a-9c10-c7100244e1d7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9202-7c24-9360-c9392eea4dcd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_019fec0d-9202-740a-9c10-c7100244e1d7" xlink:to="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9202-7c24-9360-c9392eea4dcd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_PurchaseAndSaleAgreementMember_019fec0d-9202-7b07-8f62-f0c6b7f055d4" xlink:href="inn-20260930.xsd#inn_PurchaseAndSaleAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_019fec0d-9202-7c24-9360-c9392eea4dcd" xlink:to="loc_inn_PurchaseAndSaleAgreementMember_019fec0d-9202-7b07-8f62-f0c6b7f055d4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-9202-7392-ac2e-68e7b66dfd2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fec0d-9202-7f75-b625-2f2b5f616a81" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-9202-7392-ac2e-68e7b66dfd2f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fec0d-9202-7392-ac2e-68e7b66dfd2f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-9202-7392-ac2e-68e7b66dfd2f" xlink:to="loc_us-gaap_RelatedPartyDomain_019fec0d-9202-7392-ac2e-68e7b66dfd2f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fec0d-9202-7855-aa21-6f3831f2e636" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fec0d-9202-7392-ac2e-68e7b66dfd2f" xlink:to="loc_us-gaap_RelatedPartyDomain_019fec0d-9202-7855-aa21-6f3831f2e636" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateJointVentureMember_019fec0d-9202-75af-a0d1-9b758ba1078f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateJointVentureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fec0d-9202-7855-aa21-6f3831f2e636" xlink:to="loc_us-gaap_CorporateJointVentureMember_019fec0d-9202-75af-a0d1-9b758ba1078f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019fec0d-9202-7925-ac71-f783af3e13d1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fec0d-9202-7f75-b625-2f2b5f616a81" xlink:to="loc_srt_StatementGeographicalAxis_019fec0d-9202-7925-ac71-f783af3e13d1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-9202-7925-ac71-f783af3e13d1_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-9202-7925-ac71-f783af3e13d1" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-9202-7925-ac71-f783af3e13d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019fec0d-9202-767e-9841-06f9563a2643" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019fec0d-9202-7925-ac71-f783af3e13d1" xlink:to="loc_srt_SegmentGeographicalDomain_019fec0d-9202-767e-9841-06f9563a2643" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_FriscoTXMember_019fec0d-9202-7d32-90b1-ec8e118fbed7" xlink:href="inn-20260930.xsd#inn_FriscoTXMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019fec0d-9202-767e-9841-06f9563a2643" xlink:to="loc_inn_FriscoTXMember_019fec0d-9202-7d32-90b1-ec8e118fbed7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_AssetAcquisitionPurchaseOfLandParcelAcre_019fec0d-9202-7a58-924b-b6a00b4a6f3f" xlink:href="inn-20260930.xsd#inn_AssetAcquisitionPurchaseOfLandParcelAcre"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fec0d-9202-7e2b-9006-c3864c816cf5" xlink:to="loc_inn_AssetAcquisitionPurchaseOfLandParcelAcre_019fec0d-9202-7a58-924b-b6a00b4a6f3f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_019fec0d-9202-7dfc-a8bb-c3b205dbe5c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fec0d-9202-7e2b-9006-c3864c816cf5" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_019fec0d-9202-7dfc-a8bb-c3b205dbe5c0" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.shpreit.com/role/SUBSEQUENTEVENTSDetails" xlink:type="simple" xlink:href="inn-20260930.xsd#SUBSEQUENTEVENTSDetails"/>
  <link:definitionLink xlink:role="http://www.shpreit.com/role/SUBSEQUENTEVENTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_019fec0d-9202-7b5e-bffa-2748d8d6aa5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_019fec0d-9202-7365-9adc-1c5658b39184" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fec0d-9202-7b5e-bffa-2748d8d6aa5e" xlink:to="loc_us-gaap_SubsequentEventTable_019fec0d-9202-7365-9adc-1c5658b39184" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_01a0cf0b-eba1-70e3-943e-5f15442b05dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fec0d-9202-7365-9adc-1c5658b39184" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_01a0cf0b-eba1-70e3-943e-5f15442b05dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a0cf0b-eba1-70e3-943e-5f15442b05dd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a0cf0b-eba1-70e3-943e-5f15442b05dd" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a0cf0b-eba1-70e3-943e-5f15442b05dd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a0cf0b-eba1-727f-8133-c418b7fd5e2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a0cf0b-eba1-70e3-943e-5f15442b05dd" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a0cf0b-eba1-727f-8133-c418b7fd5e2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_01a0cf0b-eba1-7091-8166-67107317cc69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_01a0cf0b-eba1-727f-8133-c418b7fd5e2e" xlink:to="loc_us-gaap_SubsequentEventMember_01a0cf0b-eba1-7091-8166-67107317cc69" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_01a0cf0b-eba1-748b-8a1f-24a994d96483" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fec0d-9202-7365-9adc-1c5658b39184" xlink:to="loc_us-gaap_StatementClassOfStockAxis_01a0cf0b-eba1-748b-8a1f-24a994d96483" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a0cf0b-eba1-748b-8a1f-24a994d96483_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a0cf0b-eba1-748b-8a1f-24a994d96483" xlink:to="loc_us-gaap_ClassOfStockDomain_01a0cf0b-eba1-748b-8a1f-24a994d96483_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_01a0cf0b-eba1-7bea-bf22-eaa2283b3ace" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_01a0cf0b-eba1-748b-8a1f-24a994d96483" xlink:to="loc_us-gaap_ClassOfStockDomain_01a0cf0b-eba1-7bea-bf22-eaa2283b3ace" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_01a0cf0b-eba1-703f-8869-2939eac7bd6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a0cf0b-eba1-7bea-bf22-eaa2283b3ace" xlink:to="loc_us-gaap_SeriesEPreferredStockMember_01a0cf0b-eba1-703f-8869-2939eac7bd6b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesFPreferredStockMember_01a0cf0b-eba1-794e-9dad-9de57b614857" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SeriesFPreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a0cf0b-eba1-7bea-bf22-eaa2283b3ace" xlink:to="loc_us-gaap_SeriesFPreferredStockMember_01a0cf0b-eba1-794e-9dad-9de57b614857" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_inn_SeriesZPreferredUnitsMember_01a0cf0b-eba1-7e3b-b7ff-055f6e993278" xlink:href="inn-20260930.xsd#inn_SeriesZPreferredUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_01a0cf0b-eba1-7bea-bf22-eaa2283b3ace" xlink:to="loc_inn_SeriesZPreferredUnitsMember_01a0cf0b-eba1-7e3b-b7ff-055f6e993278" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_01a0cf0b-eba1-7709-9ba5-30e49fb7fdff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fec0d-9202-7b5e-bffa-2748d8d6aa5e" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_01a0cf0b-eba1-7709-9ba5-30e49fb7fdff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsPerShareDeclared_01a0cf0b-eba1-7d6d-bb24-ee89a861c458" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fec0d-9202-7b5e-bffa-2748d8d6aa5e" xlink:to="loc_us-gaap_PreferredStockDividendsPerShareDeclared_01a0cf0b-eba1-7d6d-bb24-ee89a861c458" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_01a0cf0b-eba1-7db4-9275-98fd0af1592e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fec0d-9202-7b5e-bffa-2748d8d6aa5e" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_01a0cf0b-eba1-7db4-9275-98fd0af1592e" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
