Mirab Harerge is bordered on the south by the Shebelle River which separates it from Bale, on the southwest by Arsi, on the northwest by the Afar Region, on the north by the Somali Region and on the east by Misraq Hararghe. Towns in Mirab Hararghe include Asebe Teferi, Bedessa, Gelemso, and Mieso.
The Central Statistical Agency (CSA) reported that 8,364.00 tons of coffee were produced in Mirab Hararghe in the year ending in 2005, based on inspection records from the Ethiopian Coffee and Tea authority. This represents 7.27% of the Region's output and 3.7% of Ethiopia's total output.
According to a May 24, 2004 World Bank memorandum, 9% of the inhabitants of Mirab Hararghe have access to electricity, this zone has a road density of 23.6 kilometers per 1000 square kilometers (compared to the national average of 30 kilometers), the average rural household has 0.5 hectare of land (compared to the national average of 1.01 hectare of land and an average of 1.14 for the Oromia Region) and the equivalent of 0.6 heads of livestock. 16.4% of the population is in non-farm related jobs, compared to the national average of 25% and a regional average of 24%. 55 % of all eligible children are enrolled in primary school, and 8% in secondary schools. 92% of the zone is exposed to malaria, and none to Tsetse fly. The memorandum gave this zone a drought risk rating of 372.
The Oromia Regional government announced 25 May 2006 that 429 potable water projects had been completed in the Zone, which combined with other ongoing projects would bring drinkable water to 72,300 inhabitants and raise the percentage of access from 37% to 47%.