Don't miss the domed church of Ágios Athanássios from the early 13C decorated with large, brightly-coloured frescoes; the finely proportioned church of Ágios Sossón (12C); and the 13C church of Ágios Nikólaos with a beautiful fresco depicting S..

The present fortress was built in 1254. The castle is shaped like an irregular quadrilateral formed by ramparts reinforced by strong towers. Huge cisterns enabled it to withstand long sieges. The tour includes several Gothic and Byzantine chapels, se..