As the host of the United Nations, the borough is home to the world's largest international consular corps, comprising 105 consulates, consulates general and honorary consulates. It is also the home of New York City Hall, the seat of New York City government housing the Mayor of New York City and the New York City Council. The mayor's staff and thirteen municipal agencies are located in the nearby Manhattan Municipal Building, completed in 1914, one of the largest governmental buildings in the world.