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
Pserimos in the area. Pserimos Pserimos () is a small Greek island in the Dodecanese chain, lying between Kalymnos and Kos in front of the coast of Turkey. It is part of the municipality of Kálymnos, and reported a population of 80 inhabitants at the 2011 census. The main industry is tourism, with Greek and other European holidaymakers attracted by its remote location. There are several beaches and a number of taverns, some of which offer accommodation. Pserimos is served by a daily ferry from Pothia, on the island of Kalymnos, and is a destination on the itinerary of a number