The United Nations Headquarters in New York City is the official headquarters of the United Nations. It is located on the edge of midtown Manhattan. The borders of this property are the East River on the east, First Avenue on the west, East 42nd Street on the south, and East 48th Street on the north.

Construction on the headquarters was started in 1947 and completed in 1952. A board of design consultants from around the world was appointed to plan the building. The purchase of the property was funded by the Rockefeller family who donated it to the city.

The centerpiece of the United Nations Headquarters is the United Nations Secretariat Building. Offices of ambassadors and delegates are in this building. It is thirty-nine stories high. This is the building most often shown in pictures of the United Nations headquarters. One of the other buildings is the complex is the General Assembly Hall which has seating for eighteen hundred people. The Member States of the United Nations meets here. The Dag Hammarskjold Library is also part of this complex. United Nations publications are kept in the library. The Conference and Visitors Center is another building in the complex. The General Assembly and the Security Council are housed in the Conference Center. Two large office buildings outside the complex house office for the United Nations' specialized agencies.

Major events that are held at United Nations headquarters include Model United Nations conferences sponsored by the United Nations Association of the United States of America, the National Collegiate Conference Association, and the International Model UN Association. Parts of the sessions for these conferences are held in the General Assembly chamber.

Oscar winner George Clooney toured United Nations Headquarters in New York after he was named a U.N. messenger of peace.

The headquarters has some unusual features. This land is considered international territory and is not subject to the laws of the city of New York, the state of New York, or the United States.

The United Nations headquarters has been featured in movies. The only movie that was actually filmed on location at the headquarters was The Interpreter. The Secretary-General gave permission for the filming. It was also featured in the movies North by Northwest, Live and Let Die, Batman: The Movie, and the animated film The Rescuers.

The United Nations headquarters is mentioned in The Seafort Saga series of books which is set in the future. The United Nations headquarters is in the same place that it is today.

The United Nations headquarters in New York City are unique in appearance and function. Several hotels are located within walking distance of the headquarters for those who wish to visit this extraordinary place.