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
Sazan Island of Vlorë, in the eastern Strait of Otranto separating Italy from Albania. It is also located at the informal junction line of the Adriatic and Ionian Sea inside the Mediterranean Sea, which is just to the south according to international scientific bodies. The island is composed of limestone rocks, which was formed during the Cretaceous period, while the eastern part is partially composed of terrigenic and cleistogenic deposits. It has four peaks, the highest standing at above sea level followed by two peaks in the center and , and the lowest with in the south of the island. Sazan has