    <SEC-DOCUMENT>0000940394-24-001051-index.html : 20241126
    <SEC-HEADER>0000940394-24-001051.hdr.sgml : 20241126
    <ACCEPTANCE-DATETIME>20241126101418
    ACCESSION NUMBER:		0000940394-24-001051
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		22
    CONFORMED PERIOD OF REPORT:	20250108
    FILED AS OF DATE:		20241126
    DATE AS OF CHANGE:		20241126

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Eaton Vance Ltd Duration Income Fund
    		CENTRAL INDEX KEY:			0001222922
    		ORGANIZATION NAME:
    		IRS NUMBER:				000000000
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-21323
    		FILM NUMBER:		241498963

    	BUSINESS ADDRESS:
    		STREET 1:		ONE POST OFFICE SQUARE
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02109
    		BUSINESS PHONE:		617-482-8260

    	MAIL ADDRESS:
    		STREET 1:		ONE POST OFFICE SQUARE
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02109

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	EATON VANCE LTD DURATION INCOME FUND
    		DATE OF NAME CHANGE:	20050331

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	EATON VANCE LIMITED DURATION INCOME FUND
    		DATE OF NAME CHANGE:	20030313

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-22269
    		FILM NUMBER:		241498964

    	BUSINESS ADDRESS:
    		STREET 1:		ONE POST OFFICE SQUARE
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02109
    		BUSINESS PHONE:		617-482-8260

    	MAIL ADDRESS:
    		STREET 1:		ONE POST OFFICE SQUARE
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02109

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Eaton Vance National Municipal Trust
    		DATE OF NAME CHANGE:	20090126
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>eaton4407161-def14a.htm
    <DESCRIPTION>DEFINITIVE PROXY STATEMENT
    <TEXT>
    Document 1 - file: eaton4407161-def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>evv-20241126.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 3 - file: evv-20241126.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>4
    <FILENAME>evv-20241126_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 4 - file: evv-20241126_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>5
    <FILENAME>evv-20241126_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 5 - file: evv-20241126_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>6
    <FILENAME>evv-20241126_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
    <TEXT>
    Document 6 - file: evv-20241126_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>eaton4407161-def14a1x1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: eaton4407161-def14a1x1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>eaton4407161-def14a1x1x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: eaton4407161-def14a1x1x2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>eaton4407161-def14a1x1x3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: eaton4407161-def14a1x1x3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>eaton4407161-def14a1x1x4.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: eaton4407161-def14a1x1x4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>eaton4407161-def14a1x1x5.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: eaton4407161-def14a1x1x5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>eaton4407161-def14a1x1x6.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: eaton4407161-def14a1x1x6.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>eaton4407161-def14a1x21x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: eaton4407161-def14a1x21x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>eaton4407161-cover1x1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: eaton4407161-cover1x1x1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>21
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: FilingSummary.html

    Document 21 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>23
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 23 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>24
    <FILENAME>0000940394-24-001051-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 24 - file: 0000940394-24-001051-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>eaton4407161-def14a_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: eaton4407161-def14a_htm.html

    Document 25 - RAW XML: eaton4407161-def14a_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>