Greater Somalia beginning of the 20th century the concept of "Greater Somalia" started to be developed with the birth of the nation of Somalia, as a united country inhabited by all the Somali clans in their "Horn of Africa" areas. "Pan-Somalism" refers to the vision of reunifying these areas to form a single Somali nation. The pursuit of this goal has led to conflict: Somalia engaged after World War II in the Ogaden War with Ethiopia over the Ogaden region, and supported Somali insurgents against Kenya. Italians occupied the Benadir in 1890 and soon started to enlarge their "Somalia italiana" (Italian Somaliland):
Coastline of Somalia meets Djibouti in west and eastern tip meets Kenya in its south. There is a number of Islands in the coastal areas. Ras Caseyr (Cape Guardafui) is easternmost point of Somalia, this point joinins Indian Ocean to Gulf of Aden. Coast of Somalia has different conditions throughout its length. Being second longest in Africa, this coast is easternmost coast of continental Africa, north-western coast of Indian Ocean and nearest coast to Socotra Islands (Yemen). Its continental shelf is spread over 32500 km. Northern coast extends from Djibouti to east, and eastern coast extends from north-east to south-west, reaching to Kenya.