What is the capital of the United States?

The capital of the United States is Washington, D.C. This city was established as the nation's capital in 1790 and was specifically chosen for its location between the Northern and Southern states. Washington, D.C. serves as the seat of the federal government, housing key institutions such as the White House, the Capitol Building, and the Supreme Court. It is also a symbol of the American political system and hosts many national landmarks and monuments. The designation of Washington, D.C. as the capital reflects its historical significance and central role in the governance of the country.