Washington, D.C.: The Political Capital of the United States

Washington, D.C. (District of Columbia) is the federal capital of the United States, established in 1800 per the Constitution. It hosts the three branches of government: the White House (Executive), the U.S. Capitol (Legislative), and the Supreme Court (Judicial). As a federal district, it is not part of any state. The city is a global center for diplomacy, policy, and international organizations.