The castle was constructed right above an ancient fortress of the late roman period. The fortification wall has undergone repairs in various periods of times, while today reaches in parts a height of 6m.and an average thickness of 2m. The main gate is located in the middle of the eastern side, which was strengthened by two rectangular towers. The northern tower is preserved at a height of 2,5m. while the southern is completely saved in fragments. The other sides and corners of the fort are reinforced with a corresponding tower.