Horn of Africa Horn of Africa The Horn of Africa (, , , , ) (shortened to HOA; alternatively Somali Peninsula) is a peninsula in Northeast Africa. It juts hundreds of kilometers into the Arabian Sea and lies along the southern side of the Gulf of Aden. The area is the easternmost projection of the African continent. Referred to in ancient and medieval times as "Land of the Berbers" and "Habesha", the Horn of Africa denotes the region containing the countries of Djibouti, Eritrea, Ethiopia, and Somalia. It covers approximately 2,000,000 km (770,000 sq mi) and is inhabited by roughly 115 million people
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.