Which country is known as “Horn of Africa” ?

Which country is known as “Horn of Africa” ?A. Sudan
B. Zambia
C. Mali
D. Somalia

Horn of Africa, region of eastern Africa. It is the easternmost extension of African land and for the purposes of this article is defined as the region that is home to the countries of Djibouti, Eritrea, Ethiopia, and Somalia, whose cultures have been linked throughout their long history.