New York is the most populous city in the United States and the center of the New York metropolitan area, a global power city that exerts a significant impact upon commerce, finance, media, art, fashion, research, technology, education, and entertainment. Situated on one of the world's largest natural harbors, New York City consists of five boroughs, each of which is a separate county of New York State: Brooklyn, Queens, Manhattan, The Bronx and Staten Island.