<SEC-DOCUMENT>0001209191-16-113899.txt : 20160411
<SEC-HEADER>0001209191-16-113899.hdr.sgml : 20160411
<ACCEPTANCE-DATETIME>20160411180133
ACCESSION NUMBER:		0001209191-16-113899
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160411
FILED AS OF DATE:		20160411
DATE AS OF CHANGE:		20160411

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nuveen Enhanced AMT-Free Municipal Credit Opportunities Fund
		CENTRAL INDEX KEY:			0001090116
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				752998730
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		NUVEEN INVESTMENTS
		STREET 2:		333 WEST WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3129178146

	MAIL ADDRESS:	
		STREET 1:		NUVEEN INVESTMENTS
		STREET 2:		333 WEST WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NUVEEN DIVIDEND ADVANTAGE MUNICIPAL INCOME FUND
		DATE OF NAME CHANGE:	20120106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NUVEEN INSURED DIVIDEND ADVANTAGE MUNICIPAL FUND
		DATE OF NAME CHANGE:	19990709

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WELLS FARGO BANK N A
		CENTRAL INDEX KEY:			0000740906
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-09475
		FILM NUMBER:		161565998

	BUSINESS ADDRESS:	
		STREET 1:		101 NORTH PHILLIPS STREET
		CITY:			SIOUX FALLS
		STATE:			SD
		ZIP:			57104
		BUSINESS PHONE:		4152225300

	MAIL ADDRESS:	
		STREET 1:		101 NORTH PHILLIPS STREET
		CITY:			SIOUX FALLS
		STATE:			SD
		ZIP:			57104
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2016-04-11</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001090116</issuerCik>
        <issuerName>Nuveen Enhanced AMT-Free Municipal Credit Opportunities Fund</issuerName>
        <issuerTradingSymbol>NVG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000740906</rptOwnerCik>
            <rptOwnerName>WELLS FARGO BANK N A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>101 NORTH PHILLIPS STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SIOUX FALLS</rptOwnerCity>
            <rptOwnerState>SD</rptOwnerState>
            <rptOwnerZipCode>57104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Variable Rate MuniFund Term Preferred Shares Series 2018</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2404</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Adam Joseph, Managing Director</signatureName>
        <signatureDate>2016-04-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
