The PDO Robola zone on the Ionian island of Cephalonia, covers a surface area of 300 hectares at altitudes ranging from 175m to 800m. The entire zone is located in the south of the island, on the Omala Valley and on the western and northwestern slopes of Mt. Enos. The slopes of Mount Enos host many self-rooted vines of advanced age. In Cephalonia, Robola is the most widely planted grape and flourishes on barren soil.