Burgruine Petersberg is a castle in Friesach, Carinthia, Austria. Today the castle is home to the Friesach City Museum, which features exhibits about the town's history, culture, mining industry and trade.
Wikipedia https://en.wikipedia.org/wiki/Burgruine_Petersberg
Address 18 Petersbergweg, 9360, Austria
Coordinates 46°57'6.017" N 14°24'6.801" E