Mieso is one of the woredas in the Oromia Region of Ethiopia. Part of the Mirab Hararghe Zone, Mieso is bordered on the south by Guba Koricha, on the west by the Afar Region, on the north by the Somali Region, on the east by Doba and on the southeast by Chiro. Towns in Mieso include Arba Bordode, Asabot, Kora, Mieso and Mulu.
The altitude of Mieso ranges from 1107 to 3106 meters above sea level; the highest point is Mount Asabot (1523 meters). Rivers include the Beke. A survey of the land in Mieso shows that 11.5% is arable or cultivable (10.7% of the total area was under annual crops), 23.7% cultivable if water were available, 8.9% pasture, 28.7% forest or brushland, and the remaining 27.3% is considered hilly, built-up or otherwise unusable. Sesame and haricot beans are important cash crops. Local points of interest in Mieso woreda include the Monastery of Asabot Selassie, located at the top of Mount Asabot, 20 kilometers northeast of the town of Asabot. This woreda is served by the Ethio-Djibouti Railways, with stops at Arba Bordode, Asabot, Kora, Mieso and Mulu.
In 8 of the 37 kebeles, the predominant agricultural practice is pastoralism; some pastoralists are sedentary and other migrate with their herds in search of forage and water. Cattle and goats are the most common livestock, and the vegetation is primarily acacia with grass cover beneath. Mieso reportedly has become, since 2003, one of the major markets of goats supplying the slaughterhouses in Mojo and Metehara which export mutton. In 2005 there were 5 goat meatpacking companies based in this woreda, which included ELFORA Agro-Industries.