Eggenberg Castle Tourist attraction in Graz, Austria

Reference:Gugganij / CC-BY-SA-3.0

Map gps coordinates: 47.073889, 15.391389

Address: Schloss Eggenberg, 8020 Graz, Austria

Johannes Kepler was acquainted with Prince Hans Ulrich von Eggenberg personally, and he probably influenced the construction of Eggenberg Castle.

Source: Wikipedia