The Chase Park Plaza Royal Sonesta St. Louis is a historic hotel and apartment complex located at 212 N. Kingshighway Boulevard in the Central West End, St. Louis, Missouri. It consists of two buildings - the Chase Hotel, built in 1922 by developer Chase Ullman, and the Art Deco-style Park Plaza tower, built in 1929 and today housing condominiums. The complex also features a cinema and several restaurants and bars.