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

Read more about Ada'a:  Overview, Demographics

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Ada'a - Demographics
... on figures published by the Central Statistical Agency in 2005, Ada'a Chukala had an estimated total population of 355,343, of whom 175,788 were men and 179,555 were women 142,866 or 40.21% of its population were ... estimated area of 1,635.16 square kilometers, Ada'a Chukala had an estimated population density of 217.3 people per square kilometer, which is greater than the Zone average of 181.7 ... The five largest ethnic groups reported in Ada'a Chukala were the Oromo (69.64%), the Amhara (23.84%), the Sebat Bet Gurage (1.64%), the Tigray (1.3%), and the Soddo Gurage (1.29%) all ...