Castle, which took its name from a runaway saint who lived and died in the top of the mountain after the capture of Jerusalem by the Arabs, included a church and monastery in the 10th century. It is achain of castles that were built as observations point in order to protect the island from Arab pirates. Later, from the end of 12th century until the capture of Venetians, this castle was enlarged and used as shelter to protect Luzinyen nobles from excessive summer heat.

Afterwards, this castle was left to its own fate. This church consists of three main sections each having its own cisterns and provision storerooms. The lower castle was built for soldiers and horses, the second section for the church and the king's palace, and after an upward slope the upper castle was built. It is at 730 meters height and known as Prince John Tower. From two Gothic engravedwindows at the western side that the nobles lived, the bird's eye view of Girne and Karmi village is magnificent. When the weather is clear, the snowy summits of Toros Mountains can be seen.