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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fb880-510f-71f8-a351-2a91a75e5160,g:2af29673-2711-4de6-a0a4-5110229d6207-->
<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" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://ucbi.com/role/CoverPage" xlink:type="simple" xlink:href="ucbi-20260803.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://ucbi.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019fb880-510f-70fa-966f-034eca30d8a6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsTable_019fb880-510f-7049-ba37-7f09e40248ae" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityListingsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb880-510f-70fa-966f-034eca30d8a6" xlink:to="loc_dei_EntityListingsTable_019fb880-510f-7049-ba37-7f09e40248ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fb880-510f-7fab-9f7b-e76c9c57cce1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsTable_019fb880-510f-7049-ba37-7f09e40248ae" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fb880-510f-7fab-9f7b-e76c9c57cce1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fb880-510f-7031-970a-c76927d6cfbc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fb880-510f-7fab-9f7b-e76c9c57cce1" xlink:to="loc_us-gaap_ClassOfStockDomain_019fb880-510f-7031-970a-c76927d6cfbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fb880-510f-7a99-b498-6592ee705d76" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_019fb880-510f-7031-970a-c76927d6cfbc" xlink:to="loc_us-gaap_CommonStockMember_019fb880-510f-7a99-b498-6592ee705d76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_ucbi_UCBISeriesINonCumulativePreferredStockMember_019fb880-510f-761b-af6d-9cf2f729089e" xlink:href="ucbi-20260803.xsd#ucbi_UCBISeriesINonCumulativePreferredStockMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_019fb880-510f-7031-970a-c76927d6cfbc" xlink:to="loc_ucbi_UCBISeriesINonCumulativePreferredStockMember_019fb880-510f-761b-af6d-9cf2f729089e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityListingsLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsTable_019fb880-510f-7049-ba37-7f09e40248ae" xlink:to="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019fb880-510f-7a74-9609-ce9ba62fbc02" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_DocumentType_019fb880-510f-7a74-9609-ce9ba62fbc02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019fb880-510f-71d3-8113-7dce1b38c44b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_DocumentPeriodEndDate_019fb880-510f-71d3-8113-7dce1b38c44b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019fb880-510f-793d-a264-3d3d126eb212" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityRegistrantName_019fb880-510f-793d-a264-3d3d126eb212" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019fb880-510f-7aec-8b15-4c147b8f78a8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityCentralIndexKey_019fb880-510f-7aec-8b15-4c147b8f78a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019fb880-510f-7674-baf6-0612207affee" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_AmendmentFlag_019fb880-510f-7674-baf6-0612207affee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019fb880-510f-7c11-afc7-1d741e3a7d3e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019fb880-510f-7c11-afc7-1d741e3a7d3e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019fb880-510f-7510-b15f-3d0a4751cc2a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityFileNumber_019fb880-510f-7510-b15f-3d0a4751cc2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019fb880-510f-7698-af33-4b1ea761bdf9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityTaxIdentificationNumber_019fb880-510f-7698-af33-4b1ea761bdf9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019fb880-510f-7544-b73c-f2426bdfbea5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityAddressAddressLine1_019fb880-510f-7544-b73c-f2426bdfbea5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019fb880-510f-7c15-9ad4-87dde8b97a69" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityAddressCityOrTown_019fb880-510f-7c15-9ad4-87dde8b97a69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019fb880-510f-7daf-a218-00d45052cdd8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityAddressStateOrProvince_019fb880-510f-7daf-a218-00d45052cdd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019fb880-510f-714d-9a77-df0fa27a3a53" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityAddressPostalZipCode_019fb880-510f-714d-9a77-df0fa27a3a53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019fb880-510f-7653-aa22-c193fd847f10" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_CityAreaCode_019fb880-510f-7653-aa22-c193fd847f10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019fb880-510f-7072-a9e8-2c028de705a9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_LocalPhoneNumber_019fb880-510f-7072-a9e8-2c028de705a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019fb880-510f-7daf-b167-444a0d89e53b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_WrittenCommunications_019fb880-510f-7daf-b167-444a0d89e53b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019fb880-510f-78cd-bfb8-ebf2bcc75744" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_SolicitingMaterial_019fb880-510f-78cd-bfb8-ebf2bcc75744" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019fb880-510f-713d-97d2-353e5aa1d9e2" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_PreCommencementTenderOffer_019fb880-510f-713d-97d2-353e5aa1d9e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019fb880-510f-76b5-8e88-175dcbc485dc" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019fb880-510f-76b5-8e88-175dcbc485dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019fb880-510f-72e4-bdfc-31f3ce49e49c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_Security12bTitle_019fb880-510f-72e4-bdfc-31f3ce49e49c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019fb880-510f-70cb-a4ea-a31e04af6d4d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_TradingSymbol_019fb880-510f-70cb-a4ea-a31e04af6d4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019fb880-510f-762a-94c2-a3f8f694ea0a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_SecurityExchangeName_019fb880-510f-762a-94c2-a3f8f694ea0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019fb880-510f-7c93-8be3-481d6bf90744" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityListingsLineItems_019fb880-510f-72ed-b79a-e6c0ef81d402" xlink:to="loc_dei_EntityEmergingGrowthCompany_019fb880-510f-7c93-8be3-481d6bf90744" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
