The Boston Park Plaza is a former Statler Hotel in Boston, Massachusetts, USA, opened on March 10, 1927, built by hotelier E.M. Statler. A prototype of the grand American hotel, it was called a "city within a city". It was the first hotel in the world to offer in-room radio in every room. Boston Park Plaza is a member of Historic Hotels of America, the official program of the National Trust for Historic Preservation.