As the national capital, Washington, D.C. hosts about 185 foreign missions, including embassies, ambassador's residences, and international cultural centers. Many are concentrated along a stretch of
Massachusetts Avenue known informally as
Embassy Row. Washington, D.C., hosts a number of internationally themed festivals and events, often in collaboration with foreign missions or delegations. The city government maintains an Office of International Affairs to liaise with the diplomatic community and foreign delegations. D.C.