West Arsi (Amharic:
Mirab Arsi; Afan Oromo:
Arsii Lixaa/Dhihaa) is one of the zones of the
Oromia Region in
Ethiopia. This zone is named after a subgroup of the
Oromo, who inhabit it. West Arsi was formed of woredas which included to
Arsi,
Bale and
East Shewa zones.