District of Columbia

E40990

U.S. capital district federal capital territory federal district

The District of Columbia is the federal district of the United States that contains the nation’s capital city, Washington, D.C., and serves as the seat of the U.S. federal government.

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All labels observed (9)

Label	Occurrences
District of Columbia canonical	1,122
District of Columbia (across the Potomac River)	1
District of Columbia (as federal property context)	1
District of Columbia (full name string)	1
District of Columbia (prior to retrocession)	1
District of Columbia (with special rules)	1
District of Columbia Area	1
District of Washington	1
the District of Columbia	1

How this entity was disambiguated

This entity first appeared as the object of triple T32828 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: District of Columbia
Context triple: [One First Street NE, Washington, D.C., locatedIn, District of Columbia]

A. Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
B. Washington
Washington is a U.S. state in the Pacific Northwest known for its diverse landscapes, technology industry centered around Seattle, and significant cultural and economic influence on the West Coast.
C. Maryland
Maryland is a Mid-Atlantic U.S. state known for its Chesapeake Bay shoreline, colonial history, and proximity to the nation’s capital.
D. Government of the District of Columbia
The Government of the District of Columbia is the municipal administration responsible for governing Washington, D.C., providing local services and implementing laws for the U.S. capital.
E. Rhode Island
Rhode Island is the smallest U.S. state by area, located in New England on the Atlantic coast and known for its colonial history and maritime heritage.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: District of Columbia
Target entity description: The District of Columbia is the federal district of the United States that contains the nation’s capital city, Washington, D.C., and serves as the seat of the U.S. federal government.

A. Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
B. Washington
Washington is a U.S. state in the Pacific Northwest known for its diverse landscapes, technology industry centered around Seattle, and significant cultural and economic influence on the West Coast.
C. Maryland
Maryland is a Mid-Atlantic U.S. state known for its Chesapeake Bay shoreline, colonial history, and proximity to the nation’s capital.
D. Government of the District of Columbia
The Government of the District of Columbia is the municipal administration responsible for governing Washington, D.C., providing local services and implementing laws for the U.S. capital.
E. Rhode Island
Rhode Island is the smallest U.S. state by area, located in New England on the Atlantic coast and known for its colonial history and maritime heritage.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	U.S. capital district ⓘ federal capital territory ⓘ federal district ⓘ
areaKm2	177 ⓘ
areaSqMi	68.3 ⓘ
borders	Maryland ⓘ Potomac River ⓘ Virginia ⓘ
capital	Washington, D.C. ⓘ
contains	Lincoln Memorial ⓘ National Archives Building ⓘ National Mall ⓘ Pentagon ⓘ surface form: Pentagon Reservation vicinity Smithsonian Institution ⓘ surface form: Smithsonian Institution museums United States Capitol ⓘ Washington Monument ⓘ Washington, D.C. ⓘ White House ⓘ
country	United States of America ⓘ
currency	US dollar ⓘ surface form: United States dollar
dateEstablished	1790-07-16 ⓘ
electoralVotesGrantedBy	Twenty-third Amendment to the United States Constitution ⓘ
establishedBy	Residence Act ⓘ
federalDistrictSince	1801 ⓘ
FIPSCode	11 ⓘ
governingDocument	District of Columbia Home Rule Act ⓘ
hasCouncil	Council of the District of Columbia ⓘ
hasElectoralVotes	3 ⓘ
hasMayor	Mayor of the District of Columbia ⓘ
hasMotto	Justitia Omnibus ⓘ
hasMottoInEnglish	Justice for All ⓘ
ISOCode	US-DC ⓘ
largestCity	Washington, D.C. ⓘ
licensePlateSlogan	Taxation Without Representation ⓘ
locatedIn	East Coast of the United States ⓘ Mid-Atlantic states ⓘ surface form: Mid-Atlantic region of the United States
namedAfter	Christopher Columbus ⓘ
nonVotingRepresentativeIn	United States House of Representatives ⓘ
observes	Eastern Time Zone ⓘ surface form: Eastern Daylight Time Eastern Time Zone ⓘ surface form: Eastern Standard Time
officialLanguage	English ⓘ
partOf	United States federal district system ⓘ
population	approximately 700000 ⓘ
populationAsOf	2020 ⓘ
postalAbbreviation	DC ⓘ
seatOf	President of the United States ⓘ Supreme Court of the United States ⓘ United States Congress ⓘ federal government of the United States ⓘ
timeZone	Eastern Time Zone ⓘ

How these facts were elicited

Referenced by (1,130)

Full triples — surface form annotated when it differs from this entity's canonical label.

Office of Registration Policy and Practice → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

NLS → serviceArea → District of Columbia ⓘ

Brunswick Line → primaryLocale → District of Columbia ⓘ

MARC → operatesIn → District of Columbia ⓘ

Maryland Area Regional Commuter → serves → District of Columbia ⓘ

MetroAccess → serviceArea → District of Columbia ⓘ

MedStar Health Performance Center → locatedIn → District of Columbia ⓘ

Alexandria, Virginia → wasPartOf → District of Columbia ⓘ

United States Court of Appeals for the District of Columbia Circuit → jurisdiction → District of Columbia ⓘ

Executive Office for United States Attorneys → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

Number One Observatory Circle → district → District of Columbia ⓘ

Office of the National Security Advisor to the Vice President → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

United States National Guard → hasJurisdiction → District of Columbia ⓘ

RFK Stadium → owner → District of Columbia ⓘ

Immigration and Customs Enforcement → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

The Phillips Collection → locatedIn → District of Columbia ⓘ

Catholic University of America Columbus School of Law → state → District of Columbia ⓘ

Brewmaster’s Castle → state → District of Columbia ⓘ

District of Columbia Inventory of Historic Sites → appliesToJurisdiction → District of Columbia ⓘ

NASA Headquarters → locatedIn → District of Columbia ⓘ

White House Press Office → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

National Nuclear Security Administration → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

Dupont Circle Fountain → locatedIn → District of Columbia ⓘ

Foggy Bottom neighborhood → locatedInAdministrativeTerritory → District of Columbia ⓘ

subject surface form: Foggy Bottom

Frances Perkins Building → locatedIn → District of Columbia ⓘ

NPVIC → appliesToJurisdiction → District of Columbia ⓘ

Occupational Safety and Health Administration → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

Broadcasting Board of Governors → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

Founders Library → state → District of Columbia ⓘ

Food and Nutrition Service → appliesToJurisdiction → District of Columbia ⓘ

Risk Management Agency → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

VA Central Office → locatedIn → District of Columbia ⓘ

Jackson Graham Building → region → District of Columbia ⓘ

New Hampshire Avenue NW → urbanArea → District of Columbia ⓘ

Agricultural Research Service → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

USTR → locatedIn → District of Columbia ⓘ

Entertainment and Sports Arena → region → District of Columbia ⓘ

P Street NW → locatedInAdministrativeTerritory → District of Columbia ⓘ

National Transportation Safety Board → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

St. Elizabeths Hospital (administrative oversight) → locatedInJurisdiction → District of Columbia ⓘ

Logan Circle → locatedInAdministrativeTerritory → District of Columbia ⓘ

Assistant Secretary of State for European and Eurasian Affairs → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

National Institute of Food and Agriculture → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

FBI Counterterrorism Division → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

Harry S. Truman Building → state → District of Columbia ⓘ

National Air and Space Museum, Washington, D.C. → state → District of Columbia ⓘ

subject surface form: National Air and Space Museum

EUR → locatedInTheAdministrativeTerritorialEntity → District of Columbia ⓘ

subject surface form: Bureau of European and Eurasian Affairs

Mid-Atlantic states → sometimesIncludes → District of Columbia ⓘ

Orange Line (Washington Metro) → servesCounty → District of Columbia ⓘ

Veterans Health Administration → operatesIn → District of Columbia ⓘ

All labels observed (9)

How this entity was disambiguated Show

Statements (50)

How these facts were elicited Show

Referenced by (1,130)

How this entity was disambiguated

How these facts were elicited