Brooklyn is one of the five boroughs of New York City. It also covers the same area as Kings County. Brooklyn is the second largest borough in land area. In the early 21st century, about 2.5 million live there. This is more than in any of the other four boroughs.
Brooklyn is the west end of Long Island. The East River separates it from Manhattan in the north. Brooklyn's only land boundary is with Queens in the east. Jamaica Bay separates Brooklyn from Rockaway in the south. The Narrows separates Brooklyn from Staten Island in the west.
Coney Island is the south end of Brooklyn. The Brooklyn Museum is near the middle of Brooklyn, near Prospect Park.