This is a villa that allegedly belongs to the NSA in Vienna, Austria. NSA outrage has come to Austria big time. News outlets, the government, opposition parties and U.S. officials are battling it out over allegations that the stately villa in a leafy Vienna district served as a sophisticated a U.S. intelligence listening post keeping tabs on most of Vienna. Sign reads 'keep entry free'.
Street address is: Pötzleinsdorfer Straße 126-128