Ionian Islands (region) Ionian Islands (region) The Ionian Islands Region (, , ) is one of the thirteen administrative regions of Greece. The administrative region does not include all of the Ionian Islands; the island of Kythera, which historically was part of the island group, was separated and integrated to the (far away) Attica Region. The population of the Ionian Islands in 2011 was 207,855, decreased by 1,50% compared to the population in 2001. Nevertheless, the region remains the third by population density with 90.1/km² nationwide, well above the national of 81.96/km². The most populous of the major islands is Corfu with a
Albanian Ionian Sea Coast to the east, Greece to the south and the Mediterranean Sea to the west. The coastline has a total length of and specifically marked by a mountainous landscape supplied with deep bays, numerous islands, high cliffs, rocky and sandy coasts and a unique marine life. The Ionian Sea is an arm of the Mediterranean Sea positioned south of the Adriatic Sea, which extend from Sicily up to the Strait of Otranto between Salento and Bay of Vlorë. It is bordered by Italy in the west, Greece and Albania in the east. Though considered by ancient authors to be part of