Raseborg Castle built
1373 CE.
Shown on the map at 59.992°, 23.651°.
The Raseborg Castle (Swedish: Raseborgs slott, Finnish: Raaseporin linna), is a medieval castle in Raseborg, Finland. The castle was active from 1370s to 1553. Today the ruins are open to the public in the summer and the castle is host to the yearly Raseborg Summer Theatre.
Text from the Wikipedia article Raseborg Castle, licensed CC BY-SA 4.0.