The Saint Hilarion Castle is the best preserved ruin of the three former strongholds in the Kyrenia mountains, the others being Kantara and Buffavento. Saint Hilarion was originally a monastery, named after a monk who allegedly chose the site for his hermitage, with a monastery and a church built there in the 10th century. Starting in the 11th century, the Byzantines began fortification. Saint Hilarion formed the defense of the island with the castles of Buffavento and Kantara against Arab pirates raiding the coast. Some sections were further upgraded under the Lusignan rule, who may have used it as a summer residence. During the rule of Lusignans, the castle was the focus of a four-year struggle between Holy Roman Emperor Frederick II and Regent John d' Ibelin for control of Cyprus.
The castle has three divisions or wards. The lower and middle wards served economic purposes, while the upper ward housed the royal family. The lower ward had the stables and the living quarters for the men-at-arms. The Prince John tower sits on a cliff high above the lower castle. The church lies on the middle ward. The upper ward was reserved for the Royals and can be entered via a well-preserved archway. Farm buildings are located in the west close to the royal apartments. Along the western wall, there is a breathtaking view of the northern coast of Cyprus, overlooking the city of Girne, from the Queen's Window.
Much of the castle was dismantled by the Venetians in the 15th century to reduce the up-keeping cost of garrisons.References:
Sirmione castle was built near the end of the 12th century as part of a defensive network surrounding Verona. The castle was maintained and extended first as part of the Veronese protection against their rivals in Milan and later under the control of the Venetian inland empire. The massive fortress is totally surrounded by water and has an inner porch which houses a Roman and Medieval lapidary. From the drawbridge, a staircase leads to the walkways above the walls, providing a marvellous view of the harbour that once sheltered the Scaliger fleet. The doors were fitted with a variety of locking systems, including a drawbridge for horses, carriages and pedestrians, a metal grate and, more recently, double hinged doors. Venice conquered Sirmione in 1405, immediately adopting provisions to render the fortress even more secure, fortifying its outer walls and widening the harbour.
Thanks to its strategical geographical location as a border outpost, Sirmione became a crucial defence and control garrison for the ruling nobles, retaining this function until the 16th century, when its role was taken up by Peschiera del Garda.