Bern Theatre, known in the city as Stadttheater Bern, is an opera house and theatre in Bern, Switzerland. The theatre opened in 1903 and was modernised between 2015–2016 with significant structural changes made to the backstage and auditorium. The theatre took on a new trading name from the 2011/2012 season through to the 2020/2021 as Konzert Theatre Bern representing the four different sections of the theatre; the Bern Symphony Orchestra (BSO), Musiktheater (Opera), Schauspiel (Theatre) and Tanz (Dance). Starting in the season of 2021 / 2022 the theatre will be known as Bühnen Bern.