Dodecanese over the islands. As a legacy of its former status as a jurisdiction separate from Greece, it is still considered a separate "entity" for amateur radio purposes, essentially maintaining its status as an independent country "on the air." Amateur Radio call signs in the Dodecanese begin with the prefix SV5 instead of SV for Greece. The 70th anniversary of the incorporation of the Dodecanese within Greece was marked in 2017, with the Greek Parliament holding a special celebratory session for the event. Today, Rhodes and the Dodecanese are popular travel destinations. The Dodecanese Prefecture was one of the prefectures of
Dodecanese territories, occupied all the present-day Dodecanese except for Kastellorizo. After the end of the war according to the Treaty of Ouchy, Italy maintained the occupation of the islands as guarantee for the execution of the treaty. The occupation continued after Italy declared war on the Ottoman Empire (21 August 1915) during the First World War. During the war, the islands became an important naval base for Britain and France; Italy was allied with both nations during World War I. The Dodecanese were used as a staging area for numerous campaigns, most famously the one at Gallipoli. Some of the smaller