Manhattan (New York County: Pop. 1,620,867) is the most densely populated borough and home to most of the city’s skyscrapers, as well as Central Park. The borough is the financial center of the city and contains the headquarters of many major corporations, the United Nations, as well as a number of important universities, and many cultural attractions, including numerous museums, the Broadway theatre district, Greenwich Village, and Madison Square Garden. Manhattan is loosely divided into Lower, Midtown, and Uptown regions. Uptown Manhattan is divided by Central Park into the Upper East Side and the Upper West Side, and above the park is Harlem.