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The Washington metropolitan area, also referred to as the DC area, Greater Washington, the National Capital Region, or locally as the DMV (short for District of Columbia, Maryland, and Virginia), is the metropolitan area centered around Washington, D.C., the federal capital of the United States. The metropolitan area includes all of Washington, D.C. and parts of Maryland, Virginia, and West Virginia. It is part of the larger Washington–Baltimore combined statistical area, which is the third-largest combined statistical area in the country.
The Washington metropolitan area is one of the most educated and affluent metropolitan areas in the U.S. The metro area anchors the southern end of the densely populated Northeast megalopolis with an estimated total population of 6,385,162 as of the 2020 U.S. Census, making it the sixth-largest metropolitan area in the nation, as well as the largest metropolitan area in the Census Bureau's South Atlantic division.