Oromia Region
Overview
 
Oromia is one of the nine ethnic divisions
Regions of Ethiopia
||Ethiopia is divided into 9 ethnically-based administrative regions and two chartered cities...

 (kililoch) of Ethiopia
Ethiopia
Ethiopia , officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is the second-most populous nation in Africa, with over 82 million inhabitants, and the tenth-largest by area, occupying 1,100,000 km2...

. Covering 353,632 square kilometers stretching from the western border in an arc to the southwestern corner of the country, the 2007 census reported its at over twenty-seven million, making it the largest state in terms of both population and area. It includes the former Arsi Province
Arsi Province
Arsi was a province of Ethiopia with its capital at Asella. The province was reduced to a Zone of the Oromia Region with the adoption of the new constitution in 1995....

 along with portions of the former Bale
Bale Province, Ethiopia
Bale is the name of two former polities located in the southeastern part of modern Ethiopia.- The medieval dependency of Bale :...

, Hararghe
Hararghe
Hararghe was a province in the eastern part of Ethiopia, with its capital in Harar. Including Ethiopia's part of the Ogaden, Haraghe was bounded on the south by Sidamo, southwest by Arsi, west by Shewa, northwest by Wollo, northeast by French Somaliland, and on the east by Somalia.Hararghe came...

, Illubabor
Illubabor Province
Illubabor was a province in the south-western part of Ethiopia, along the border with Sudan. The name Illubabor is said to come from two Oromo words, "Illu" and "Abba Bor". "Illu" is a name of a clan, and "Abba Bor" was the horse name of Chali Shone, who founded the ruling family of the area when...

, Kaffa
Kaffa Province, Ethiopia
Kaffa was a province on the southwestern side of Ethiopia; its capital city was Jimma. It was named after the former Kingdom of Kaffa.Kaffa was bordered on the west by Sudan, on the northwest by Illubabor, on the north by Walega, on the northeast by Shewa, on the east by Sidamo, and on the...

, Shewa
Shewa
Shewa is a historical region of Ethiopia, formerly an autonomous kingdom within the Ethiopian Empire...

, Sidamo
Sidamo Province
Sidamo was a province in the southern part of Ethiopia, with its capital city at Irgalem, and after 1978 at Awasa. It was named after an ethnic group native to Ethiopia, called the Sidamo, or more particularly, Sidama, who are located in the south-central part of that country...

, and Welega
Welega Province
Welega was a province in the western part of Ethiopia, with its capital city at Nekemte. It was named for the Welega Oromo, who are the majority of the population within its boundaries....

 provinces.
 
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