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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001140361-07-006386.txt : 20070327
<SEC-HEADER>0001140361-07-006386.hdr.sgml : 20070327
<ACCEPTANCE-DATETIME>20070327165246
ACCESSION NUMBER:		0001140361-07-006386
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070326
FILED AS OF DATE:		20070327
DATE AS OF CHANGE:		20070327

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HOSPITALITY PROPERTIES TRUST
		CENTRAL INDEX KEY:			0000945394
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				043262075
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 CENTRE ST
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02158
		BUSINESS PHONE:		6179648389

	MAIL ADDRESS:	
		STREET 1:		400 CENTRE STREET
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02158

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PORTNOY ADAM
		CENTRAL INDEX KEY:			0001273871

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11527
		FILM NUMBER:		07721831

	MAIL ADDRESS:	
		STREET 1:		C/O REIT MANAGEMENT & RESEARCH
		STREET 2:		400 CENTRE ST
		CITY:			NEWTON
		STATE:			MA
		ZIP:			02458
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-03-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000945394</issuerCik>
        <issuerName>HOSPITALITY PROPERTIES TRUST</issuerName>
        <issuerTradingSymbol>NYSE:HPT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001273871</rptOwnerCik>
            <rptOwnerName>PORTNOY ADAM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O REIT MANAGEMENT &amp;  RESEARCH LLC</rptOwnerStreet1>
            <rptOwnerStreet2>400 CENTRE STREET</rptOwnerStreet2>
            <rptOwnerCity>NEWTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02458</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares of Benefical Interest</value>
            </securityTitle>
            <transactionDate>
                <value>2007-03-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>13468</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>46.46</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36106</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares were issued pursuant to an Advisory Agreement between the issuer and Reit Management &amp;  Research LLC (&quot;RMR&quot;), of which Mr. Portnoy is a director and minority beneficial owner.  Mr. Portnoy purchased these shares from RMR upon their issuance.  Such transfers were exempt from Section 16 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), pursuant to Rule 16a-13 thereunder.</footnote>
        <footnote id="F2">In accordance with the Advisory Agreement referred to above, certain historical share price information was used to determine the number of common shares of beneficial interest paid to RMR.  The per share price amount listed above is the closing sale price of the issuer's common shares of beneficial interest on the New York Stock Exchange on March 26, 2007, when the shares were issued and purchased.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Adam D. Portnoy</signatureName>
        <signatureDate>2007-03-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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