The seas that originated with black areas are those of southeast Europe. And those that have originated from the Balkan mountains and the Balkan mainlands.
Claims to be bordered by the Adriatic sea, on the northwest and the Ionian Sea on the southwest. The Mediterranean sea includes the Aegean and the Ionian sea.
It stretches from the Adriatic sea to the black sea. The total landmass has an area of 470,000 km square.