Oromia is located in Ethiopia. It covers 284,538 sqquare kilometers or 109,869 square miles. It is the most populous etnicity, and hold the capital city Finnfinne (or otherly called Addis Ababa). Oromia is one of the largest ethinic groups in Africa, and has rich background of History (which includes language) and geography. Through all this they are getting oppressed and striped from they're native land. Lucy, the fossil, is believed to ba an ancestor of the Oromos. If you would like to read more about Lucy, you can click on the link below.
About lucy