Possible Clues:

• Corfu's sea
• Ancient Greek — one on island that has a name
• ___ Sea, body of water between Sicily and Greece
• Organisation rejects argots produced by old Greek islander
• Sea seen from Ithaca
• Sea under Italy's "boot"
• ___ Sea (Corfu's locale)
• Corfu is one of these Greek islands
• Old Greek
• ___ Sea (Italy/Greece separator)