National Harbor

National Harbor is a census-designated place in Prince George's County, Maryland, United States, located along the Potomac River near the Woodrow Wilson Bridge and just south of Washington, D.C. It originated as a 300-acre multi-use waterfront development. Per the 2020 census, the population was 5,509.National Harbor is one of the most visited destinations in the United States, with over 28 million visitors annually.

Source: Wikipedia