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
Boroughs of New York City 1898. Under the 1898 City Charter adopted by the New York State Legislature, a "borough" is a municipal corporation that is created when a county is merged with populated areas within it. The limited powers of the borough governments are inferior to the authority of the Government of New York City, contrasting significantly with other borough administrations of government used in Connecticut, New Jersey, and Pennsylvania, where a borough is an independent level of government, as well as borough forms used in other states and in Greater London. New York City is often referred to collectively as the five boroughs;