<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-06-20</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001771515</issuerCik>
        <issuerName>Grocery Outlet Holding Corp.</issuerName>
        <issuerTradingSymbol>GO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001660963</rptOwnerCik>
            <rptOwnerName>H&amp;F Corporate Investors VII, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 MISSION STREET, SUITE 5700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001779162</rptOwnerCik>
            <rptOwnerName>Hellman &amp; Friedman Investors VII, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 MISSION STREET, SUITE 5700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001458222</rptOwnerCik>
            <rptOwnerName>HELLMAN &amp; FRIEDMAN CAPITAL PARTNERS VII (PARALLEL), L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 MISSION STREET, SUITE 5700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001779163</rptOwnerCik>
            <rptOwnerName>H&amp;F Globe Investor GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 MISSION STREET, SUITE 5700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001779166</rptOwnerCik>
            <rptOwnerName>H&amp;F Globe Investor LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 MISSION STREET, SUITE 5700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>54643192</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects securities directly held by H&amp;F Globe Investor LP (&quot;H&amp;F Investor&quot;).  The general partner of H&amp;F Investor is H&amp;F Globe Investor GP LLC (&quot;Globe Investor GP&quot;). Hellman &amp; Friedman Capital Partners VII (Parallel), L.P. (&quot;HFCP VII&quot;) is the managing member of Globe Investor GP. Hellman &amp; Friedman Investors VII, L.P. (&quot;H&amp;F Investors VII&quot;) is the general partner of HFCP VII. H&amp;F Corporate Investors VII, Ltd. (&quot;H&amp;F VII&quot;) is the general partner of H&amp;F Investors VII. A three member board of directors of H&amp;F VII has investment discretion over the shares held by H&amp;F Investor. Each of the members of the board of directors disclaims beneficial ownership of such shares, except to the extent of any respective pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>H&amp;F CORPORATE INVESTORS VII, LTD. By: /s/ Erik D. Ragatz Name: Erik D. Ragatz Title:   Vice President</signatureName>
        <signatureDate>2019-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>HELLMAN &amp; FRIEDMAN INVESTORS VII, L.P By: H&amp;F Corporate Investors VII, Ltd., as general partner By: /s/ Erik D. Ragatz Name: Erik D. Ragatz Title: Vice President</signatureName>
        <signatureDate>2019-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>HELLMAN &amp; FRIEDMAN CAPITAL PARTNERS VII (PARALLEL), L.P. By: Hellman &amp; Friedman Investors VII, L.P., as general partner By: H&amp;F Corporate Investors VII, Ltd., as general partner By:  /s/ Erik D. Ragatz Name: Erik D. Ragatz Title: Vice President</signatureName>
        <signatureDate>2019-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>H&amp;F GLOBE INVESTOR GP LLC By: Hellman &amp; Friedman Capital Partners VII (Parallel), L.P., its managing member By: Hellman &amp; Friedman Investors VII, L.P., as GP By: H&amp;F Corporate Investors VII, Ltd., as GP By: /s/ Erik D. Ragatz Name: Erik D. Ragatz Title:VP</signatureName>
        <signatureDate>2019-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>H&amp;F GLOBE INVESTOR LP By:H&amp;F Globe Investor GP LLC, as GP By:Hellman &amp; Friedman Capital Partners VII (Parallel), L.P., its managing member By:Hellman &amp; Friedman Investors VII, L.P., as GP By:H&amp;F Corporate Investors VII, Ltd., as GP By:/s/Erik D. Ragatz VP</signatureName>
        <signatureDate>2019-06-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
