The Castle of Chlemoutsi, also known as Chlemoutsi Castle, is a medieval fortress located in the western part of Greece. Built in the 13th century by the Frankish ruler Geoffrey I of Villehardouin, it served as a strategic stronghold during the Crusades. The castle features impressive stone walls and towers, offering panoramic views of the surrounding landscape. Chlemoutsi is notable for its well-preserved architecture, which reflects the Byzantine and Gothic styles of the time. It played a significant role in the defense of the region and was later used by various rulers, including the Ottomans. Today, it is a popular tourist attraction, showcasing the rich history of Medieval Greece.