Prince George’s County, Maryland

E5393

administrative territorial entity county

Prince George’s County, Maryland is a populous suburban county bordering Washington, D.C., known for its significant African American middle-class communities, government institutions, and historical sites.

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All labels observed (13)

Label	Occurrences
Prince George's County, Maryland	447
Prince George’s County, Maryland canonical	117
Prince George's County	59
Prince George’s County	35
Prince George’s County government	3
Prince George's County metropolitan area	1
Prince George's County municipalities	1
Prince George's County suburbs	1
Prince George's County, Maryland, United States	1
Prince George’s County suburbs	1
South Prince George's County	1
Southern Prince George's County	1
Suitland, Maryland	1

How this entity was disambiguated

This entity first appeared as the object of triple T10564 — 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: Prince George’s County, Maryland
Context triple: [Pierre Charles L’Enfant, deathPlace, Prince George’s County, Maryland]

A. Fairfax County, Virginia
Fairfax County, Virginia is a populous and affluent suburban county in Northern Virginia that borders Washington, D.C. and serves as a major economic and governmental hub in the region.
B. Essex County
Essex County is a historic coastal county in northeastern Massachusetts that includes cities such as Lynn, Salem, and Lawrence.
C. Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
D. Northern Virginia
Northern Virginia is a populous, economically significant region of the Commonwealth of Virginia, encompassing suburbs of Washington, D.C., and serving as a major hub for government, technology, and defense industries.
E. Middlesex County, Massachusetts
Middlesex County, Massachusetts is a populous and historically significant county in eastern Massachusetts that includes major cities such as Cambridge, Lowell, and Somerville.
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: Prince George’s County, Maryland
Target entity description: Prince George’s County, Maryland is a populous suburban county bordering Washington, D.C., known for its significant African American middle-class communities, government institutions, and historical sites.

A. Fairfax County, Virginia
Fairfax County, Virginia is a populous and affluent suburban county in Northern Virginia that borders Washington, D.C. and serves as a major economic and governmental hub in the region.
B. Essex County
Essex County is a historic coastal county in northeastern Massachusetts that includes cities such as Lynn, Salem, and Lawrence.
C. Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
D. Northern Virginia
Northern Virginia is a populous, economically significant region of the Commonwealth of Virginia, encompassing suburbs of Washington, D.C., and serving as a major hub for government, technology, and defense industries.
E. Middlesex County, Massachusetts
Middlesex County, Massachusetts is a populous and historically significant county in eastern Massachusetts that includes major cities such as Cambridge, Lowell, and Somerville.
F. None of above. chosen

Statements (94)

Predicate	Object
instanceOf	administrative territorial entity ⓘ county ⓘ
borders	Anne Arundel County, Maryland ⓘ linked to: Anne Arundel County Calvert County, Maryland ⓘ Charles County, Maryland ⓘ Howard County, Maryland ⓘ linked to: Howard County Montgomery County, Maryland ⓘ linked to: Montgomery County Washington, D.C. ⓘ
contains	Accokeek, Maryland ⓘ Beltsville, Maryland ⓘ Bladensburg, Maryland ⓘ Bowie, Maryland ⓘ Brandywine, Maryland ⓘ linked to: Accokeek, Maryland Brentwood, Maryland ⓘ Camp Springs, Maryland ⓘ Capitol Heights, Maryland ⓘ Cheverly, Maryland ⓘ Clinton, Maryland ⓘ College Park Airport ⓘ College Park, Maryland ⓘ Colmar Manor, Maryland ⓘ Cottage City, Maryland ⓘ linked to: Edmonston, Maryland District Heights, Maryland ⓘ Eagle Harbor, Maryland ⓘ linked to: Upper Marlboro, Maryland Edmonston, Maryland ⓘ Fairmount Heights, Maryland ⓘ FedExField ⓘ Forestville, Maryland ⓘ linked to: Cheverly, Maryland Fort Washington, Maryland ⓘ Glen Echo, Maryland ⓘ Glenarden, Maryland ⓘ Greenbelt, Maryland ⓘ Hyattsville, Maryland ⓘ Landover, Maryland ⓘ Lanham, Maryland ⓘ Largo, Maryland ⓘ Laurel city portion in Prince George’s County ⓘ Laurel, Maryland ⓘ MGM National Harbor ⓘ Mitchellville, Maryland ⓘ Morningside, Maryland ⓘ Mount Rainier, Maryland ⓘ NASA Goddard Space Flight Center ⓘ linked to: Goddard Space Flight Center National Archives at College Park ⓘ linked to: National Archives and Records Administration National Capital Parks-East sites ⓘ National Harbor, Maryland ⓘ linked to: MGM National Harbor New Carrollton, Maryland ⓘ North Brentwood, Maryland ⓘ Oxon Hill, Maryland ⓘ Prince George’s Community College ⓘ Riverdale Park, Maryland ⓘ Seat Pleasant, Maryland ⓘ Six Flags America ⓘ Suitland, Maryland ⓘ Temple Hills, Maryland ⓘ University Park, Maryland ⓘ University of Maryland, College Park ⓘ linked to: University of Maryland
country	United States of America ⓘ
fireService	Prince George’s County Fire/EMS Department ⓘ
founded	1696 ⓘ
governingBody	Prince George’s County Council ⓘ
hasCharacteristic	majority-minority county ⓘ populous ⓘ suburban ⓘ
hasEconomicProfile	large African American middle-class population ⓘ
hasGovernmentInstitution	Internal Revenue Service facilities ⓘ Joint Base Andrews ⓘ U.S. Census Bureau headquarters ⓘ linked to: United States Census Bureau Suitland Federal Center United States Census Bureau Suitland Federal Center ⓘ
hasHistoricalSite	Belair Mansion ⓘ Harmony Hall ⓘ Marietta House Museum ⓘ Mount Calvert Historical and Archaeological Park ⓘ Oxon Hill Manor ⓘ Riversdale House Museum ⓘ Surratt House Museum ⓘ
hasMajorHighway	Baltimore–Washington Parkway ⓘ Interstate 495 ⓘ Interstate 95 ⓘ U.S. Route 50 ⓘ
hasPublicTransit	MARC Camden Line ⓘ linked to: Camden Line MARC Penn Line ⓘ Washington Metro Blue Line ⓘ linked to: Blue Line (Washington Metro) Washington Metro Green Line ⓘ Washington Metro Orange Line ⓘ linked to: Orange Line (Washington Metro)
hasSignificantPopulationGroup	African American middle class ⓘ
headOfGovernment	Prince George’s County Executive ⓘ
lawEnforcementAgency	Prince George’s County Police Department ⓘ
locatedIn	Maryland ⓘ
locatedInTimeZone	Eastern Time Zone ⓘ
namedAfter	Prince George of Denmark ⓘ
partOf	Baltimore–Washington metropolitan area ⓘ linked to: Washington metropolitan area
schoolDistrict	Prince George’s County Public Schools ⓘ
seat	Upper Marlboro, Maryland ⓘ

How these facts were elicited