The Drosendorf app - experience history with a tour Download the Drosendorf app on your smartphone or tablet and explore the historical history of Drosendorf on your own. Drosendorf is the only city in Austria, which is surrounded by a completely preserved city wall. 1.7 km masonry is interrupted by two city gates and limited by towers. Whether theater performances and concerts in the castle courtyard, swing and blues in the jazz cellar, exhibitions and vernissages, or the film club with a ded