Cephalonia or
Kefalonia ( or ), formerly also known as
Kefallinia or
Kephallenia , is the largest of the
Ionian Islands in western
Greece. It is also a separate
regional unit of the
Ionian Islands region, and the only
municipality of the regional unit. It was also a former Latin Catholic bishopric Kefalonia–Zakynthos (Cefalonia–Zante) and short-lived
titular see as just Kefalonia