United States Capitol
Overview
The United States Capitol is the meeting place of the United States Congress
United States Congress
The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

, the legislature of the federal government of the United States
Federal government of the United States
The federal government of the United States is the national government of the constitutional republic of fifty states that is the United States of America. The federal government comprises three distinct branches of government: a legislative, an executive and a judiciary. These branches and...

. Located in Washington, D.C.
Washington, D.C.
Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

, it sits atop Capitol Hill
Capitol Hill, Washington, D.C.
Capitol Hill, aside from being a metonym for the United States Congress, is the largest historic residential neighborhood in Washington D.C., stretching easterly in front of the United States Capitol along wide avenues...

 at the eastern end of the National Mall
National Mall
The National Mall is an open-area national park in downtown Washington, D.C., the capital of the United States. The National Mall is a unit of the National Park Service , and is administered by the National Mall and Memorial Parks unit...

. Though it has never been the geographic center
Geography of Washington, D.C.
Washington, D.C., US, is located at . According to the United States Census Bureau, the city has a geographical area of , of which is land, and the remaining of which is water....

 of the federal district, the Capitol is the origin
Origin (mathematics)
In mathematics, the origin of a Euclidean space is a special point, usually denoted by the letter O, used as a fixed point of reference for the geometry of the surrounding space. In a Cartesian coordinate system, the origin is the point where the axes of the system intersect...

 by which both the quadrants of the District
Quadrants of Washington, D.C.
Washington, D.C., is administratively divided into four geographical quadrants of unequal size, each delineated by their ordinal directions from the medallion located in the Crypt under the Rotunda of the Capitol...

 are divided and the city was planned. Officially, both the east and west sides of the Capitol are referred to as "fronts." Historically, however, only the east front of the building was intended for the arrival of visitors and dignitaries.
Prior to establishing the nation's capital in Washington, D.C., the United States Congress
United States Congress
The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

 and its predecessors had met in Philadelphia, New York City, and a number of other locations.
 
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