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. Wikipedia

Vancouver is a city on the north bank of the Columbia River in the U.S. State of Washington. Incorporated in 1857, it is the fourth largest city in the state, with a 2010 census population of 161,791 as of April 1, 2010 census. Wikipedia