where is it headquartered ?
New York City
United Nations
The UN is headquartered on international territory in New York City, with its other main offices in Geneva, Nairobi, Vienna and The Hague.

five agencies of the un and their functions The General Assembly, the Security Council, the Economic and Social Council (ECOSOC), the International Court of Justice and the UN Secretariat. when was it founded ? 25 June 1945 any awards won by it ? A number of agencies and individuals associated with the UN have won the Nobel Peace Prize in recognition of their work.
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United Nations [SEP] Introduction
UN membership grew significantly following widespread decolonization beginning in the 1960s. Since then, 80 former colonies have gained independence, including 11 trust territories that had been monitored by the Trusteeship Council. By the 1970s, the UN's budget for economic and social development programmes far outstripped its spending on peacekeeping. After the end of the Cold War, the UN shifted and expanded its field operations, undertaking a wide variety of complex tasks.