Kos Kos Kos or Cos (; ) is a Greek island, part of the Dodecanese island chain in the southeastern Aegean Sea, off the Anatolian coast of Turkey. Kos is the third largest island of the Dodecanese by area, after Rhodes and Karpathos; it has a population of 33,388 (2011 census), making it the second most populous of the Dodecanese, after Rhodes. The island measures , and is from the coast of the ancient region of Caria in Turkey. Administratively, Kos constitutes a municipality within the Kos regional unit, which is part of the South Aegean region. The principal town of
Italian Islands of the Aegean autonomy. Due to the Greek embroilment and defeat in the Greco-Turkish War of 1919–22, these agreements were never implemented. Kastellorizo was temporarily occupied by France in 1915 and came under Italian control in 1921. The Dodecanese islands were formally annexed by Fascist Italy, as the "Possedimenti Italiani dell'Egeo" in 1923. Italian interest in the Dodecanese was rooted in strategic purposes, and the islands were intended to further the Empire's long range imperial policy. The islands of Leros and Patmos were used as bases for the Royal Italian Navy. Starting in 1923, civil governors replaced the military commanders. The Italian politics