Château de Dinan built
1384 CE.
Shown on the map at 48.450°, -2.045°.
The Château de Dinan, also known as Dinan Castle, consists of a keep, in the town of Dinan, in the Côtes-d'Armor département of the Brittany region of France.
Text from the Wikipedia article Château de Dinan, licensed CC BY-SA 4.0.