United Nations Office at Geneva United Nations Office at Geneva The United Nations Office at Geneva (UNOG) is the second-largest of the four major office sites of the United Nations (second to the United Nations Headquarters in New York City). It is located in the Palais des Nations building constructed for the League of Nations between 1929 and 1938 at Geneva in Switzerland, and expanded in the early 1950s and late 1960s. Besides United Nations administration, it also hosts the offices for a number of programmes and funds such as the United Nations Conference on Trade and Development (UNCTAD), the United Nations Office for the
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