The largest of the Ionion Islands in western Greece, Kefalonia is fastly becoming a popular holiday resort amongst tourists from all areas of the World. Kefalonia, also known as Cephallenia, Cephallonia ot Kefallinia, (Ancient Greek: Κεφαλληνία; Modern Greek: Κεφαλλονιά or Κεφαλονιά; Italian: Cefalonia).