The Copenhagen Opera House is a prominent cultural landmark located in Copenhagen, Denmark. Opened in 2005, it is one of the most modern opera houses in the world, designed by the architect Henning Larsen. The building features a striking glass and marble façade, with a large, open foyer that offers stunning views of the Copenhagen harbor. The opera house has a seating capacity of about 1,500 and hosts a variety of performances, including operas, ballets, and concerts. It is home to the Royal Danish Opera, which is part of the Royal Danish Theatre. The venue is known for its excellent acoustics and state-of-the-art facilities.