Kefalonia (and Kephalonia or Cephalonia) is a Greek island in the Ionian Sea. It is the largest of the Ionian islands and the sixth largest Greek island after Crete, Euboea, Lesbos, Rhodes and Chios. Its area is 781 square metres and its population is 36,404 according to a 2001 Greek census.
Kefalonia is home to the highest mountain in the Ionian islands. The mountain is named Ainos and its altitude is 1, 628 metres. The biggest town on the island is Argostoli which is the capital of the Kefalonia prefecture. The second biggest town is Lixouri which is located opposite Argostoli. Beside Kefalonia is the island Ithaca, the place of birth of ancient hero Odysseus. Some archaeologists believe that Kefalonia is the place of birth of Odysseus.
Kefalonia has many beautiful beaches and it is one of the most popular tourist destinations. The most popular beach on the island is Myrtos which is located in the north-west of the island. Kefalonia hosts a truly beautiful natural environment with many forests mainly on Ainos mountain. Also in Kefalonia there is a famous cave-lake which is named Melissani and is located in the east of the island