where is washington dc?

Washington, D.C., the capital city and federal district of the United States, is located in the Mid-Atlantic region of the U.S. East Coast. Here are the key details about its location:

• It is situated on the northern shore of the Potomac River, at the river’s navigation head2.
• The district is bordered by the state of Maryland to the north, east, and southeast, and by the state of Virginia to the west and southwest, across the Potomac River234.
• Specifically, it is surrounded by Montgomery County and Prince George's County in Maryland to the northwest, northeast, and east, and by Arlington County and Alexandria in Virginia to the west and south13.

Washington, D.C. is not part of any state and is a separate federal district under the exclusive jurisdiction of the U.S. Congress124.