Blick auf das TUI Operettenhaus mit angrenzender Baustelle. Der Theatersaal des Operettenhaus, das bis 2007 Operettenhaus Hamburg hieß, bietet Platz für 1389 Gäste. View of the TUI operetta house with an adjacent construction site. The theatre house of the opera house, which was known until 2007 as Operettenhaus Hamburg, offers space for 1389 guests.