The Teatro Comunale di Firenze (or Teatro del Maggio Musicale Fiorentino) is an opera house in Florence, Italy. It was originally built as the open-air amphitheatre, the Politeama Fiorentino Vittorio Emanuele which was inaugurated on 17 May 1862 with a production of Donizetti's Lucia di Lammermoor and which seated 6,000 people. It became the focus on cultural life in the city.