A capital is a city that is home to a government. A capitol is a building where the legislature meets. For the capital of the United States, see Washington, D.C.

United States Capitol
The west face of the United States Capitol
General information
Architectural style	American Neoclassicism
Country	United States of America
Construction started	September 18, 1793
Cost	(to build) $2 million
Technical details
Size	274 acres (1.11 km²)

The United States Capitol is the building where the United States Congress meets. It is the center of the legislative branch of the U.S. federal government. It is in Washington, D.C., on top of Capitol Hill at the east end of the National Mall.