Aggstein Castle is a ruined castle on the right bank of the Danube in Wachau, Austria. The castle dates to the 12th century. Aggstein Castle is 480 metres above sea level.
Wikipedia https://en.wikipedia.org/wiki/Aggstein_Castle
Official Website https://www.ruineaggstein.at/
Address 3642, Austria
Coordinates 48°18'50.037" N 15°25'17.438" E