Adriatic Sea southeast, the Adriatic Sea connects to the Ionian Sea at the wide Strait of Otranto. The International Hydrographic Organization (IHO) defines the boundary between the Adriatic and the Ionian seas as a line running from the Butrinto River's mouth (latitude 39°44'N) in Albania to the Karagol Cape in Corfu, through this island to the Kephali Cape (these two capes are in latitude 39°45'N), and on to the Santa Maria di Leuca Cape (latitude 39°48'N). It extends from the northwest to the southeast and is wide. It covers and has a volume of . The Adriatic extends northwest from 40° to
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