An opera house is a theater building used for performances of opera. Like many theaters, it usually includes a stage, an orchestra pit, audience seating, backstage facilities for costumes and building sets, as well as offices for the institution's administration.
Teatro di San Carlo in Naples, the world's oldest working opera house.
The Sydney Opera House is one of the world's most recognisable opera houses and landmarks.
Opéra-Théâtre de Metz Métropole, built by benefactor Charles Louis Auguste Fouquet, duc de Belle-Isle during the 18th century; it is the oldest opera house working in France.
The Estates Theatre in Prague (Czech Republic) is the only theatre left standing where Mozart performed.
A theater, or playhouse, is a structure where theatrical works, performing arts, and musical concerts are presented. The theater building serves to define the performance and audience spaces. The facility usually is organized to provide support areas for performers, the technical crew and the audience members, as well as the stage where the performance takes place.
The interior of the Palais Garnier, an opera house, showing the stage and auditorium, the latter including the floor seats and the opera boxes above
An opera production of Ihitai 'Avei'a – Star Navigator at a 'block box' events centre in Auckland, New Zealand
Backstage area of the Vienna State Opera
Maryland Theatre in Hagerstown, Maryland, showing the stage, proscenium and seating
