A theater, theatre 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 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
An auditorium is a room built to enable an audience to hear and watch performances. For movie theaters, the number of auditoriums is expressed as the number of screens. Auditoriums can be found in ent
Theater (structure)
…arch. In proscenium theaters and amphitheaters, the proscenium arch, like the stage, is a permanent feature of the structure. This area is known as the auditorium or the house. The seating areas can include some or all of the following…
The auditorium of the Vienna State Opera
A typical movie theater auditorium
The grand auditorium of the Great Hall of the People in Beijing, China
The auditorium of the Municipal Theatre of Regensburg, Germany