<SEC-DOCUMENT>0000940394-23-000234-index.html : 20230201
<SEC-HEADER>0000940394-23-000234.hdr.sgml : 20230201
<ACCEPTANCE-DATETIME>20230201161717
ACCESSION NUMBER:		0000940394-23-000234
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20230201
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20230201
DATE AS OF CHANGE:		20230201

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eaton Vance National Municipal Opportunities Trust
		CENTRAL INDEX KEY:			0001454741
		IRS NUMBER:				000000000
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-22269
		FILM NUMBER:		23577008

	BUSINESS ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-482-8260

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eaton Vance National Municipal Trust
		DATE OF NAME CHANGE:	20090126
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>eot8k.htm
<DESCRIPTION>EATON VANCE NATIONAL MUNICIPAL OPPORTUNITIES TRUST
<TEXT>
Document 1 - file: eot8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exhibit1_ex99z1.htm
<DESCRIPTION>FUND ANNOUNCEMENT DATED JANUARY 26, 2023
<TEXT>
Document 2 - file: exhibit1_ex99z1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>ex1_101.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: ex1_101.jpg

</DOCUMENT>
</SEC-DOCUMENT>