Theater Bremen is a state theatre in Bremen, Germany, with four divisions for opera, straight theater, dance, and student programs. Its venues are located in a city block, connected in architecture and seating up to 1,426 spectators. The theatre has drawn international attention since 1962 with innovative play productions in the Bremer Stil. Its opera company was selected as opera house of the year by Opernwelt in 2007.

Opernwelt is a monthly German magazine for opera, operetta and ballet. It includes news about current performances, portraits of composers and performers, articles about opera houses, performance spaces, and contemporary and historical subjects from the world of opera and classical music. It reviews recordings and books and publishes monthly schedules of German and international opera houses. The magazine's website offers full text search for past issues. A year book is published every October.