D.C. (Washington, D.C.)

Washington, D.C., officially known as the District of Columbia, is the capital of the United States. It is not part of any state and was created to serve as the nation's political center. D.C. is home to important government institutions, including the White House, Congress, and the Supreme Court. The city is also known for its historical landmarks, museums (like those of the Smithsonian), and vibrant culture. It plays a crucial role in American politics and policy-making, and as a symbol of democracy, attracts millions of visitors each year.