The monastery of the cave of St. Gerasimos is the holiest site on the island of Kefalonia, where St. Gerasimos is the guardian and protector of the island. For him, its inhabitants built a monastery near the entrance to the cave in the place where he spent his life as an ascetic and secluded to perform his religious duties. Visitors can see some religious icons, statues, and drawings depicting some of the most important events in the early days of Christianity.