Veliki Tabor Castle built
1500 CE.
Shown on the map at 46.155°, 15.651°.
Veliki Tabor (Croatian: Great Camp) is a castle and museum in northwest Croatia, dating from the middle of 15th century. The castle's present appearance dates back to the 16th century.
Text from the Wikipedia article Veliki Tabor Castle, licensed CC BY-SA 4.0.