Arsi (or Arssi) is one of the zones of the Oromia Region in Ethiopia. Arsi is also the name of a former province. Both the Zone and the former province are named after a subgroup of the Oromo, who inhabit both. Arsi is bordered on the south by Bale, on the southwest by the West Arsi Zone, on the northwest by East Shewa, on the north by the Afar Region and on the east by West Hararghe. The highest point in Arsi is Mount Chilalo; other notable mountains in this zone include Mount Kaka and Mount Gugu. The administrative center of this zone is in Asella; other towns in this zone include Abomsa, Assasa, Bokoji, Sagure, Kersa, Dhera, Etaya, Arsi Robe, Huruta etc. Some woredas at the southern part of zone were separated from Arsi zone to create West Arsi Zone.