New York City is the most populous city in the United States, consisting of 5 boroughs - Manhattan, Brooklyn, Queens, The Bronx, and Staten Island. It has a diverse population and is a global center of business, culture, and tourism. New York's economy relies heavily on industries like finance, media, real estate, fashion, and tourism. The city has many iconic landmarks like the Statue of Liberty and Empire State Building, and has one of the largest subway systems in the world to transport its residents and visitors.