Poughkeepsie, officially the City of Poughkeepsie, which is separate from the Town of Poughkeepsie around it, is a city in the U.S. state of New York. It is the county seat of Dutchess County, with a 2020 census population of 31,577. Poughkeepsie is in the Hudson River Valley region, midway between the core of the New York metropolitan area and the state capital of Albany. It is a principal city of the Kiryas Joel–Poughkeepsie–Newburgh metropolitan area which belongs to the New York combined statistical area. It is served by the nearby Hudson Valley Regional Airport and Stewart International Airport in Orange County, New York.

The New York metropolitan area, broadly referred to as the Tri-State area and often also called the Greater New York City Area, is the largest metropolitan area in the world by urban landmass, encompassing 4,669.0 sq mi (12,093 km2). The New York metropolitan area is one of the most populous metropolitan areas in the world and the only U.S. metropolitan area larger than twenty million residents as of the 2020 United States census. The vast metropolitan area includes New York City, the nation's most populous city, Long Island, the Mid- and Lower Hudson Valley in the State of New York; fourteen counties and eleven of the largest cities in New Jersey; and six of the seven largest cities in Connecticut. The phrase "Tri-State area" usually refers to New York / New Jersey / Connecticut, although an increasing number of people who work in New York City commute from Pennsylvania, particularly from the Lehigh Valley, Bucks County, and Poconos regions in eastern Pennsylvania, making the metropolitan area span four states. The New York metropolitan area is the geographic and demographic hub of the larger Northeast megalopolis.