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.
Dodecanese campaign when Italian forces recaptured the island of Kastellorizo from British commandos. After the Battle of Greece in April 1941 and the Allied defeat in the Battle of Crete in May 1941, Greece and its many islands were occupied by the Axis powers. With the defeat of Axis forces in the North African campaign in spring 1943, Winston Churchill, the British Prime Minister, who at least as far back as the Gallipoli campaign in World War I had a deep interest in the region, turned his sights on the islands. The British envisaged an operation to capture the Dodecanese and Crete,