United Nations General Assembly currently meets under its president or secretary-general in annual sessions at the headquarters of the United Nations in New York City, the main part of which lasts from September to December and part of January until all issues are addressed (which often is just before the next session's start). It can also reconvene for special and emergency special sessions. Its composition, functions, powers, voting, and procedures are set out in Chapter IV of the United Nations Charter. The first session was convened on 10 January 1946 in the Methodist Central Hall in London and included representatives of 51 nations. Voting
Headquarters of the United Nations as UNICEF, have their headquarters at the UNHQ. The headquarters of the United Nations occupies a site beside the East River, on between of land purchased from the real estate developer William Zeckendorf Sr. At the time, the site was part of Turtle Bay, which was filled with slaughterhouses and tenement buildings. By the 1910s, there was also a pencil factory and a gas company building in Turtle Bay, on the site of the current UN headquarters. The development of Sutton Place and Beekman Place, north of the current UN site, came in the 1920s. A yacht club on the