Heptanese - in Ionian Sea Seven Islands Group - Greece / Hellas. The seven Ionian Islands are: Zakynhos (Zante) - Corfu (Kerkyra) - Lefkada (Lefkas) - Kefalonia (Cephalonia) - Ithaki (Ithaca) - Paxos (Paxi) - Kythira (Cerigo)