Midtown Manhattan, or simply Midtown, represents the central lengthwise portion of the borough and island of Manhattan in New York City. Midtown is home to some of the city's most iconic buildings, including the Empire State Building, the Chrysler Building, and the headquarters of the United Nations, and it contains world-renowned commercial zones such as Rockefeller Center, Broadway, and Times Square. Along Manhattan's north-south long axis, Midtown Manhattan separates Lower Manhattan from Upper Manhattan.