Being part of the West Arsi Zone, Kokosa is bordered on the south and west by the Sidama  Region, on the north by the Kofele, on the northeast by Dodola, and on the southeast by Nensebo.
Being part of the West Arsi Zone, Kokosa is surrounded by the Sidama Region on its south and west sides, the Kofele region to its north, the Dodola region to its northeast, and the Nensebo region to its southeast.