The New York Philharmonic, officially the Philharmonic-Symphony Society of New York, Inc., globally known as New York Philharmonic Orchestra (NYPO) or New York Philharmonic-Symphony Orchestra, is a symphony orchestra based in New York City in the United States. It is one of the leading American orchestras popularly referred to as the "Big Five". The Philharmonic's home is David Geffen Hall, formerly known as Avery Fisher Hall until September 2015, located in New York's Lincoln Center for the Performing Arts.