Is long island a burrow of new york city?

Long Island is not a borough of New York City. It is a large island located to the east of New York City and separated from it by the East River and Long Island Sound. Long Island is part of the state of New York, but it is divided into four counties: Nassau County, Suffolk County, Queens County, and Kings County. Queens County and Kings County are also boroughs of New York City, but Nassau County and Suffolk County are not.