The Quadrangle is the common name for a cluster of museums and cultural institutions in Metro Center, Springfield, Massachusetts, on Chestnut Street between State and Edwards Streets.

Metro Center is the original colonial settlement of Springfield, Massachusetts, located beside a bend in the Connecticut River. As of 2019, Metro Center features a majority of Western Massachusetts' most important cultural, business, and civic venues. Metro Center includes Springfield's Central Business District, its Club Quarter, its government center, its convention headquarters, and in recent years, it has become an increasingly popular residential district, especially among young professionals, empty-nesters, and creative types, with a population of approximately 7,000 (2010.)