The Cahuilla, also known as Ivilyuqaletem, are a Native American people of the inland areas of southern California.
Their original territory includes an area of about 2,400 square miles (6,200 km2).
The traditional Cahuilla territory is near the geographic center of Southern California.
It is bounded to the north by the San Bernardino Mountains, to the south by Borrego Springs and the Chocolate Mountains, to the east by the Colorado Desert, and to the west by the San Jacinto Plain and the eastern slopes of the Palomar Mountains.