Achacachi was the capital of a colla "señorio" called Pacasa, in the "Umasuyus" (from Aymara: "shore side") region, which was located alongside the East of Lake Intikjarka (Titicaca) in the Peru-Bolivian plateau.
Achacachi was the capital of a "señorio" called Pacasa, situated in the "Umasuyus" region, which bordered Lake Intikjarka (Titicaca) on the east side of the Peru-Bolivian plateau.