Burgruine Starhemberg was a castle in Lower Austria, Austria. Built in the 1140s, the castle fell into ruins by the late 19th century. Burgruine Starhemberg is 520 metres above sea level.
Wikipedia https://en.wikipedia.org/wiki/Burgruine_Starhemberg
Address 2753, Austria
Coordinates 47°52'0.151" N 16°5'57.122" E