Großes Festspielhaus [SEP] located in the administrative territorial entity
Großes Festspielhaus
The Großes Festspielhaus (Large Festival House), in its current form, was designed by architect Clemens Holzmeister in 1956 for the Salzburg Festival in 
Austria. It was inaugurated on 26 July 1960 with a performance of Richard Strauss' "Der Rosenkavalier" conducted by Herbert von Karajan, who also worked with Holzmeister on aspects of the building's design. The Large Festival House includes office space and tunneling into the Mönchsberg as well as a 2,179-seat performance space adaptable for both scenic and non-scenic events and acoustically
Reichskommissariat
Reichskommissariat () is the German designation for a type of administrative entity headed by a government official known as a "Reichskommissar" (). Although many different such offices existed primarily throughout the Imperial German and Nazi periods in a number of different fields (ranging from public infrastructure and spatial planning to ethnic cleansing) it is most commonly used to refer to the quasi-colonial administrative territorial entity established by Nazi Germany in several occupied countries during World War II. While officially located outside the German Reich in a legal sense