![PALEOKASTRO CASTLE - Ios](https://golden-greece.gr/data/ios/sites/palaiokastro/img.jpg)
Byzantine castle, on the northwest side of the island, built on top of a hill, used by the Byzantines to guard the sea routes from Constantinople to Crete. Here, you will admire the walls, the castle facilities and the church of Panagia Paleokastritissa.
Editor: Fotini Anastasopoulou