was a province in the southern part of Ethiopia
, named after two of the ethnic groups
living within its boundaries, the Gamo
and the Goffa
. First incorporated into Ethiopia by Emperor Menelik II
in the 1880s, its capital was first at Chencha
, then around 1965
the capital was moved to Arba Minch
Gamu-Gofa was bordered on the west and north by Kaffa, on the north and east by Sidamo, on the southeast by Lake Chew Bahir, and on the south by Kenya and Lake Turkana.
With the adoption of the new constitution in 1995, Gamu-Gofa was reorganized into the Semien Omo and Debub Omo Zones of the Southern Nations, Nationalities, and Peoples Region of Ethiopia.