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
United States of the Ionian Islands Cephalonia, where a great number of people had adopted Venetian Italian as their first language. The United States of the Ionian Islands was a federation. It included seven island states, each of which was allocated a number of seats in the parliament, the Ionian Senate: The British organised administration under the direction of a Lord High Commissioner, appointed by the British monarch on the advice of the British government. In total, ten men served in this capacity, including William Gladstone as a Lord High Commissioner Extraordinary (in office 1858-1859). The Ionian Islands had a bicameral legislature, titled the "Parliament of