United Nations Secretariat Building United Nations Secretariat Building The United Nations Secretariat Building is a tall skyscraper and the centerpiece of the headquarters of the United Nations, located in the Turtle Bay in Midtown Manhattan area of Manhattan, in New York City. The lot where the building stands is considered United Nations territory, although it remains part of the United States. It is the first skyscraper in New York City to use a curtain wall. The groundbreaking ceremony for the Secretariat Building occurred on September 14, 1948. A consortium of four contracting companies from Manhattan and Queens were selected to construct the Secretariat Building
Headquarters of the United Nations UN Plaza) are also part of headquarters. In addition, the Church Center for the United Nations (777 UN Plaza) is a private building owned by the United Methodist Church as an interfaith space housing the offices of several non-governmental organizations. The Office of Internal Oversight Services (OIOS) is located at 380 Madison Avenue. In October 2011 city and state officials announced an agreement in which the UN would be allowed to build a long-sought new office tower adjacent to the existing campus on the current Robert Moses Playground, which would be relocated. In exchange, the United Nations would allow the