Forest Park is a public park in western St. Louis, Missouri. It is a prominent civic center and covers 1,326 acres (5.37 km2). Opened in 1876, more than a decade after its proposal, the park has hosted several significant events, including the Louisiana Purchase Exposition of 1904 and the 1904 Summer Olympics. Bounded by Washington University in St. Louis, Skinker Boulevard, Lindell Boulevard, Kingshighway Boulevard, and Oakland Avenue, it is known as the "Heart of St. Louis" and features a variety of attractions, including the St. Louis Zoo, the St. Louis Art Museum, the Missouri History Museum, and the St. Louis Science Center.

St. Louis is an independent city in the U.S. state of Missouri. It is located near the confluence of the Mississippi and the Missouri rivers. In 2020, the city proper had a population of 301,578, while its bi-state metropolitan area, which extends into Illinois, had an estimated population of over 2.8 million. It is the largest metropolitan area in Missouri and the second largest in Illinois. The city's combined statistical area (CSA) is the 20th largest in the United States.