Washington metropolitan area

Northern Virginia

Regions of Pennsylvania

Regions of Maryland

Regions of West Virginia

Regions of Virginia

West Virginia

Virginia

Geography of Washington, D.C.

Baltimore–Washington metropolitan area

Geography of Baltimore, Maryland

Baltimore metropolitan area

The 100 most populous metropolitan statistical areas of the United States of America

Northeast megaregion as defined by RPA

Coordinates on Wikidata

District of Columbia

DCMetroArea

Maryland

Pennsylvania