Travelers are voting Burg Hardegg, Burgruine Kollmitz and Burgruine Kaja as the best of 17 castles in Vienna. There are 25 castles in Sankt Pölten a city just 64 km from Vienna and 19 castles in Neunkirchen which is 66 km distant. The most popular of these are Burgruine Dobra in Sankt Pölten and Schloss Frohsdorf in Neunkirchen. You can find 251 Castle in the country of Austria and Hohensalzburg Castle is our members favorite Castle in all of Austria. Want more? Check out our map of castles in Vienna.