Castles in Kalmar County

renaissance castle in Sweden

palace in Borgholm Municipality, Sweden

ringfort on Öland, Sweden

ring fort on Öland Island in Sweden

Gråborg is the ruin of a hillfort on Öland, Sweden. It is located in Algutsrum, in Mörbylånga Municipality. The oldest parts of the ancient hillfort are plausible from the 5th century. The hillfort was expanded in stages into the 12th century. During the Middle Ages, Gråborg was probably utilized as a protected marketplace.

castle in Sweden