Boroughs of New York City form the new Nassau County. The borough of Staten Island, concurrent with Richmond County, was officially the borough of Richmond until the name was changed in 1975 to reflect its common appellation, while leaving the name of the county unchanged. There are throughout the five boroughs of New York City, many with a definable history and character to call their own. Since 1914, each of New York City's five boroughs has been coextensive with a county of New York State – unlike most U.S. cities, which lie within a single county or extend partially into another county, constitute a county
Flags of New York City Baseball team, and the New York City FC of Major League Soccer. In 2017, NYCFC added the tricolor city flag to its jersey, substituting its own "NYC" monogram in place of the seal. The New York Islanders National Hockey League team also uses the orange, blue and white, however, although the team moved to the New York City borough of Brooklyn in 2015, the team colors were selected when the team played in Nassau County, Long Island, which also has blue and orange as official colors. The office of the Mayor of New York City has its own official variant,