Colorado Native is a term used to refer to the indigenous people of Colorado, including the Ute, Utes, ARAPAHO, Estes, ASPEN, Yuma, and Vail tribes. The Ute tribe is the largest and most populous of these tribes, and is composed of two distinct groups: the Northern Ute and the Southern Ute. The Utes are believed to have been the first inhabitants of Colorado, and their traditional territory includes parts of Utah, Colorado, New Mexico, and Wyoming. The ARAPAHO are a Plains Indian tribe that originally lived in the Great Plains region of North America. They were relocated to the Wind River Reservation in Wyoming in 1878. The Estes are a small tribe of Native Americans who traditionally lived in the Rocky Mountains of Colorado. The ASPEN tribe is a small group of Native Americans who traditionally lived in the mountains of Colorado. The Yuma tribe is a small group of Native Americans who traditionally lived in the southwestern United States. The Vail tribe is a small group of Native Americans who traditionally lived in the mountains of Colorado.