Last name Adeka (Adeka 
) , all over the world, is quite a rare surname. The cognomen Adeka is habitual in Sub-Saharan Africa, particularly Nigeria, where it is quite a rare surname, Kenya, where it is a rare surname, and Uganda. In absolute terms, the name is most common in Sub-Saharan Africa, particularly Nigeria, Kenya, and Ethiopia. Also, Adeka is the forename as well as the last name.