The United Nations Headquarters is located in New York City and serves as the main office for the United Nations (UN), an international organization founded in 1945. The complex includes several buildings, with the General Assembly Hall and the Security Council Chamber being the most notable. It is a hub for diplomatic discussions and decision-making among member states. The headquarters is situated on a 17-acre site along the East River and features a unique modernist architectural style. It is home to various offices, conference rooms, and art installations, reflecting the diverse cultures of the UN's member nations.