New York, often called New York City to distinguish it from New York State, or NYC for short, is the most populous city in the United States. Situated on one of the world’s largest natural harbors, New York City is composed of five boroughs, each of which is coextensive with a respective county of the State of New York. The city and its metropolitan area constitute the premier gateway for legal immigration to the United States. As many as 800 languages are spoken in New York, making it the most linguistically diverse city in the world. New York is home to more than 3.2 million residents born outside the United States, the largest foreign-born population of any city in the world as of 2016.