The Festspielhaus Baden-Baden is Germany’s largest opera and concert house, with a 2,500 seat capacity.
The building was originally built in 1904 as Baden-Baden central railway station. This building replaced the original railway station which was constructed in 1845 as a part of branchline which connecting Baden-Baden station in the western outskirt and the city center. The building served as a railway station for several decades until the closure of the branchline in 1977.
The new construction was architecturally integrated with the former Baden-Baden railway station - today encompassing the box office, Festspielhaus restaurant “Aida” and Children's Music World “Toccarion” by the Sigmund Kiener Foundation - and was opened on 18 April 1998.
Wikipedia https://en.wikipedia.org/wiki/Festspielhaus_Baden-Baden
Official Website https://www.festspielhaus.de/
Coordinates 48°46'1.578" N 8°13'55.997" E