Teatro Rossini is the name of an opera house in Pesaro, Italy that serves as a venue for the Rossini Opera Festival. Built as the Teatro Nuovo, it was inaugurated on 10 June 1818 with a performance of Gioacchino Rossini's La gazza ladra conducted by the composer in the town of his birth. It seats 860, with an auditorium designed in the classic horsesh…Teatro Rossini is the name of an opera house in Pesaro, Italy that serves as a venue for the Rossini Opera Festival. Built as the Teatro Nuovo, it was inaugurated on 10 June 1818 with a performance of Gioacchino Rossini's La gazza ladra conducted by the composer in the town of his birth. It seats 860, with an auditorium designed in the classic horseshoe shape with four tiers of boxes plus the gallery.