Dodecanese Symi, Tilos, and Kastellorizo. Other islands in the chain include Alimia, Arkoi, Chalki, Farmakonisi, Gyali, Kinaros, Levitha, Marathos, Nimos, Pserimos, Saria, Strongyli, Syrna and Telendos. The name "Dodecanese" (older form ἡ Δωδεκάνησος, "hē Dōdekanēsos"; modern τα Δωδεκάνησα, "ta Dōdekanēsa"), meaning "The Twelve Islands", denotes today an island group in the southeastern Aegean Sea, comprising fifteen major islands (Agathonisi, Astypalaia, Chalki, Kalymnos, Karpathos, Kasos, Kastellorizo, Kos, Lipsi, Leros, Nisyros, Patmos, Rhodes, Symi, and Tilos) and 93 smaller islets. Since Antiquity, these islands formed part of the group known as the "Southern Sporades" (Νότιες Σποράδες). The name "Dōdekanēsos" first appears in Byzantine
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