What was the only Spanish colony in the african region that includes Somalia, Djibouti, and Comoros?
Equatoguinean literature in Spanish: Equatorial Guinea was the only Spanish colony in Sub-Saharan Africa. Sub-Saharan Africa:  Somalia, Djibouti, Comoros and Mauritania are geographically in Sub-Saharan Africa, but are likewise Arab states and part of the Arab world.
Equatorial Guinea