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.
Italian colonists in the Dodecanese as a naval staging area for its invasion of Crete in 1940. After the surrender of Italy in September 1943, the islands briefly became a battleground between the Germans, British and the Italians (the Dodecanese Campaign). The Germans prevailed, and although they were driven out of mainland Greece in 1944, the Dodecanese remained occupied until the end of the war in 1945, during which time nearly the entire Jewish population of 6,000 was deported and killed. Only 1200 of these Ladino-speaking Jews survived, thanks to their lucky escape to the nearby coast of Turkey with some help from the Italian