<SEC-DOCUMENT>0001683863-20-000211-index.html : 20200131
<SEC-HEADER>0001683863-20-000211.hdr.sgml : 20200131
<ACCEPTANCE-DATETIME>20200131084035
ACCESSION NUMBER:		0001683863-20-000211
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200131
DATE AS OF CHANGE:		20200131
EFFECTIVENESS DATE:		20200131

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VANGUARD CHESTER FUNDS
		CENTRAL INDEX KEY:			0000752177
		IRS NUMBER:				232311358
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-92948
		FILM NUMBER:		20563432

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482
		BUSINESS PHONE:		6106691000

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VANGUARD PRIMECAP FUND/
		DATE OF NAME CHANGE:	20011121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VANGUARD/PRIMECAP FUND INC
		DATE OF NAME CHANGE:	19940608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRIMECAP FUND INC
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000752177
<SERIES-ID>S000002568
<SERIES-NAME>Vanguard PRIMECAP Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007070
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>VPMCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007071
<CLASS-CONTRACT-NAME>Admiral Shares
<CLASS-CONTRACT-TICKER-SYMBOL>VPMAX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>f2379d1.htm
<DESCRIPTION>VANGUARD PRIMECAP FUND
<TEXT>
Document 1 - file: f2379d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>ps059b_primecap-0120191x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: ps059b_primecap-0120191x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>