Sajama is the center of the canton of Sajama, one of the four cantons of the Municipality of Curahuara de Carangas in the province of Sajama. El Sajama is located on the west coast of the department of Oruro at an altitude of 4,238 m at 10 kilometers from the border with Chile at the foot of the Sajama, being with 6,542 m the highest mountain in Bolivia. The Sajama flows through the Sajama River, whose waters originate in the Huaña Khota Lagoon a few kilometers north of the Sajama, and further southeast in Huachacalla meets the Lauca River and empties into the Coipasa Salt Lake.