United States:CAPITAL:Washington, D.C.####United States:LEADER_TITLE:President of the United States####United States:LEADER_NAME:Paul Ryan####250 Delaware Avenue:LOCATION:United States####United States:LEADER_NAME:Barack Obama
250 Delaware Avenue is located in the United States, where Washington DC is the capital. The leader of the United States is known as the President of the United States, and other key leaders include Paul Ryan and Barack Obama.