New York City mayoral elections

The mayor of New York City is elected in early November every four years, in the year immediately following a United States presidential election year, and takes office at the beginning of the following year. New York City, which elects the mayor as its chief executive, consists of the five boroughs (Manhattan, The Bronx, Brooklyn, Queens and Staten Island), which consolidated to form "Greater" New York on January 1, 1898.

Source: Wikipedia — New York City mayoral elections (CC BY-SA 4.0)