a mountainous island in the Ionian Sea, the largest of the Ionian Islands, off the W coast of Greece. Pop: 36 404 (2001). Area: 935 sq km (365 sq miles)
Modern Greek name: Kephallinía
Cephalonia in American English
(ˌsɛfəˈloʊniə)
largest of the Ionian Islands, off the W coast of Greece: 302 sq mi (782 sq km)