<SEC-DOCUMENT>0000899243-15-009853-index.html : 20151215
<SEC-HEADER>0000899243-15-009853.hdr.sgml : 20151215
<ACCEPTANCE-DATETIME>20151215163140
ACCESSION NUMBER:		0000899243-15-009853
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20151211
FILED AS OF DATE:		20151215
DATE AS OF CHANGE:		20151215

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EATON VANCE MASSACHUSETTS MUNICIPAL BOND FUND
		CENTRAL INDEX KEY:			0001196871
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		6174828260

	MAIL ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE INSURED MASSACHUSETTS MUNICIPAL BOND FUND
		DATE OF NAME CHANGE:	20021015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE INSURED MASSACHUSETTS MUNICIPAL BOND FUND I
		DATE OF NAME CHANGE:	20021007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			UBS Group AG
		CENTRAL INDEX KEY:			0001610520
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21225
		FILM NUMBER:		151288835

	BUSINESS ADDRESS:	
		STREET 1:		BAHNHOFSTRASSE 45
		CITY:			ZURICH
		STATE:			V8
		ZIP:			CH-8001
		BUSINESS PHONE:		41-44-234-1111

	MAIL ADDRESS:	
		STREET 1:		BAHNHOFSTRASSE 45
		CITY:			ZURICH
		STATE:			V8
		ZIP:			CH-8001
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>