Kasos Kasos Kasos (; , ), also Casos, is a Greek island municipality in the Dodecanese. It is the southernmost island in the Aegean Sea, and is part of the Karpathos regional unit. , its population was 1084. The island is known in Italian as "Caso". Kasos lies southwest of Karpathos, between this island and Crete. Adjacent to the island is the Strait of Kasos, through which some of the Modified Atlantic Water enters the Sea of Crete. Its shape is elliptic and resembles that of Rhodes. The main island has a surface of , and it is long and wide.
Pserimos 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 of cruise boats