The Kasino at Schwarzenbergplatz became affiliated as a venue to the Burgtheater in the early 1980s. It was built in 1869 to serve as a residence for the Archduke Ludwig Viktor, youngest brother of the Emperor Franz Joseph. In 1910, Ludwig Viktor offered the building to the “Military Studies and Casino Association”. Today, the Burgtheater makes use of the Kasino’s unorthodox stage layout for special productions and projects, it holds about 250 spectators. (Source: burgtheater.at)