- District of Columbia, D.C., DC - the district occupied entirely by the city of Washington; chosen by George Washington as the site of the nation's capital and carve out of land ceded by Maryland and Virginia
--1 is a kind of federal district
--1 is a part of
--1 has parts:United States, United States of America, America, US, U.S., USA, U.S.A. Washington, Washington D.C., American capital, capital of the United States