Horn of Africa Consequently, they lose their moisture before reaching Djibouti and Somalia, with the result that most of the Horn receives little rainfall during the monsoon season. In the mountains of Ethiopia, many areas receive over 2,000 mm (80 in) per year, and even Asmara receives an average of 570 mm (23 in). This rainfall is the sole source of water for many areas outside Ethiopia, including Egypt. In the winter, the northeasterly trade winds do not provide any moisture except in mountainous areas of northern Somalia, where rainfall in late autumn can produce annual totals as high as 500 mm (20
Horn of Africa as የአፍሪካ ቀንድ yäafrika qänd in Amharic, القرن الأفريقي‎ al-qarn al-'afrīqī in Arabic, Gaaffaa Afriikaa in Oromo and ቀርኒ ኣፍሪቃ in Tigrinya. The Horn of Africa is sometimes shortened to "HOA". The Horn of Africa is quite commonly designated simply the "Horn", while inhabitants are sometimes colloquially referred to as "Horn Africans". Sometimes the term "Greater Horn of Africa" is used, either to be inclusive of neighbouring northeast African countries, or to distinguish the broader geopolitical definition of the Horn of Africa from narrower peninsular definitions. Ancient Greeks and Romans referred to the Somali peninsula as Regio Aromatica or Regio