Chiro is a town and Aanaa in eastern Ethiopia. Located in the West Hararghe Zone in Oromia Regional State, Ethiopia Ahmar Mountains…Chiro is a town and Aanaa in eastern Ethiopia. Located in the West Hararghe Zone in Oromia Regional State, Ethiopia Ahmar Mountains, it has a latitude and longitude of 9°05′N 40°52′E / 9.083°N 40.867°E and an altitude of 1826 meters above sea level. It is the administrative center of the West Hararghe Zone in Oromia Regional State.