St. Hilarion Castle is a historic fortress located in northern Cyprus, near the town of Kyrenia. Built during the Byzantine period, it served as a strategic military stronghold and royal residence. The castle features impressive walls, towers, and a series of terraces that offer stunning views of the surrounding landscape. The castle is named after St. Hilarion, a Christian hermit who lived in the area during the 4th century. Today, it is a popular tourist attraction, showcasing medieval architecture and providing insight into the island's rich history. Visitors can explore its ruins and enjoy panoramic vistas of the Mediterranean Sea.