Ada'a

'''Ada'a''' is a woreda in Oromia Region, Ethiopia. It is part of the former Ada'a Chukala woreda what was divided between Ada'a and Liben woredas. Part of the East Shewa Zone located in the Great Rift Valley, Ada'a is bordered on the south by Dugda Bora, on the west by the West Shewa Zone, on the northwest by Akaki, on the northeast by Gimbichu, and on the east by Lome.

==Clans== The administrative boundaries of Ada'a district embrace a territory that belongs to the Oromo sub-group of Ada'a, which is placed in the descent system of the Shewa Oromo in the line of one of the descendants of the apical ancestor Tulama. The Ada'a themselves are subdivided into three smaller units, Handha, Illuu and Dhakkuu, and these are collectively called ‘the three of Ada'a’. They are ranked according to their seniority in the above order, i.e. Handha being the most senior, Illuu the second and Dhakkuu the ‘youngest’.