Oromia

The Oromia Region is one of the regional states of Ethiopia. The capital city is Addis Ababa (also called Finfinne).
It is the homeland of the Oromo people. It has a population of around 35,000,000; this makes it the largest regional state in terms of population. It is also the largest regional state by land size. 
Administrative zones.
Oromia Region is divided into 20 administrative zones: