Dodecanese Dodecanese The Dodecanese (, ; , "Dodekánisa" , literally "twelve islands") are a group of 15 larger plus 150 smaller Greek islands in the southeastern Aegean Sea, off the coast of Asia Minor (Turkey), of which 26 are inhabited. Τhis island group generally defines the eastern limit of the Sea of Crete. They belong to the wider Southern Sporades island group. The most historically important and well-known island, Rhodes, has been the area's dominant island since antiquity. Of the others, Kos and Patmos are historically the more important; the remaining eleven are Agathonisi, Astypalaia, Kalymnos, Karpathos, Kasos, Leipsoi, Leros, Nisyros,
Dodecanese territories, occupied all the present-day Dodecanese except for Kastellorizo. After the end of the war according to the Treaty of Ouchy, Italy maintained the occupation of the islands as guarantee for the execution of the treaty. The occupation continued after Italy declared war on the Ottoman Empire (21 August 1915) during the First World War. During the war, the islands became an important naval base for Britain and France; Italy was allied with both nations during World War I. The Dodecanese were used as a staging area for numerous campaigns, most famously the one at Gallipoli. Some of the smaller