Dress up for the occasion. Step inside dressed to kill. Then step inside. Order a martini shaken and not stirred. Do everything that exudes the style of a glamorous spy out with a winning hand. Everything, except actually cashing in as despite the name blazen on its front facade, is not a casino.Kasino am Schwarzenbergplatz is actually a theatre hall that runs programmes as part of the Burgtheatre. It’s on the busy hub of Schwarzenbergplatz and was formerly the palace residence of the emperor’s younger brother.