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
Technological Educational Institute of the Ionian Islands was the first university of modern Greece. In 1908 Panayis Athanase Vagliano donated the "Agricultural School of Argostoli" and in 1915 the "Vallianos Vocational School" in Lixouri. In 2003 these two schools and some others in the Ionian Islands were unified to the new TEI of the Ionian Islands. The university comprises four Schools and six Departments. The ATHENA Reform Plan restructured the institute's departments in 2013. The language of instruction at the TEI of Ionian Islands is Greek. Therefore, a good knowledge of Greek is essential for regular students. However, special arrangements are made for certain number of courses