Vordingborg Castle settled
1175 CE.
Shown on the map at 55.007°, 11.912°.
The Vordingborg Castle ruins (Vordingborg Slotsruin) are located in the town of Vordingborg, Denmark and are the town's most famous attraction.
Text from the Wikipedia article Vordingborg Castle, licensed CC BY-SA 4.0.