Dodecanese campaign lies in the south-eastern Aegean Sea, and had been under Italian control since the Italo-Turkish War in 1911. During Italian rule, the strategically well-placed islands became a focus of Italian colonial ambitions in the Eastern Mediterranean. Rhodes, the largest of the islands, was a major military and aerial base. The island of Leros, with its excellent deep-water port of Lakki (Portolago), was transformed into a heavily fortified aeronautical base, "the Corregidor of the Mediterranean", as Benito Mussolini, the Italian leader, boasted. An early British attempt to contest Italian control of the Dodecanese, codenamed Operation Abstention, was thwarted in February 1941,
Greece in the Balkan Wars promises of the Young Turks caused much enthusiasm both inside the Empire and in the Balkan states, but they gradually adopted a policy of forced "Ottomanisation", which, coupled with the parallel rise of Albanian nationalism, threatened the interests of the other Balkan states. Italy too, in search of a colonial empire, took advantage of the turmoil in the Ottoman Empire, attacking Libya and seizing the Dodecanese islands during the Italo-Turkish War. The Italians promised to cede the Greek-inhabited Dodecanese islands to Greece, but in the end kept them. This aroused indignation in Greece. Coupled with Bulgarian aspirations for Macedonia and