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
Snake Island (Black Sea) Snake Island (Black Sea) Snake Island (Greek Φιδονήσι "Fidonísi"), also known as Serpent Island (, , ), is an island located in the Black Sea, near the Danube Delta. The island is populated. A rural settlement of "Bile" was established in February 2007. The islet was part of border dispute between Romania and Ukraine in 2004–2009, during which Romania contested the technical definition of the island and borders around it. The territorial limits of the continental shelf around Snake Island were delineated by the International Court of Justice in 2009. Snake Island is an igneous rock formation located 35 km