Donauinselfest

thumb|upright|Logo The '''''' (German for "Danube Island Festival") is a free open-air music festival which occurs annually at Donauinsel in Vienna, Austria. The festival is hosted by SPÖ Wien. It is the largest open-air music festival in the world, with around 3 million visitors over 3 days.

==The event== Performances take place in the festival area which is 4.5 km long and consists of 11 different open-air stages in 16 tented areas around the island. Stages are added or removed depending on the performance lineup. Local bands, DJs, and many world-famous artists have performed at the festival since its beginning in 1984.