Top of Pyli CastleThe Byzantine Castle of Old Pyli in Kos, Dodecanese: In close distance to the village of Pyli in Kos island, there is the half ruined, abandoned settlement of Old Pyli (Paleo Pyli). Above this abandoned village, at a hilltop of Mount Dikeo, there is the Castle of Pyli. This castle was originally constructed in the Byzantine times and flourished from the 9th to the 11th century. When the island of Kos was conquered by the Knights of Saint John in the