Cheyenne River Sioux Tribe of the Cheyenne River Reservation
The Cheyenne River Sioux Tribe is made up of four bands of Sioux people: the Minneconjou, Two Kettle, Sans Arc, and Blackfoot Sioux.
The Cheyenne River Sioux Tribe is made up of four bands of Sioux people: the Minneconjou, Two Kettle, Sans Arc, and Blackfoot Sioux.

The Fort Peck Reservation is home to two separate American Indian nations, each including numerous bands and divisions. The Sioux divisions of Sisseton, Wahpetons, Yanktonais, and the Teton Hunkpapa are all represented.

This federally recognized tribe is made up of members from two tribes: the Assiniboine and the Gros Ventre.
The Lower Brule Sioux Tribe is a sovereign nation defined by its government-to-government relationship with the United States. The Tribe was chartered under the Indian Reorganization Act of June 18, 1934.
The Lower Sioux Indian Community is a federally recognized Indian tribe located in south central Minnesota in Redwood County, approximately two miles south of Morton.
The Language Summit was an effort to unite the Lakota, Dakota, and Nakota (“Sioux”) oyate (“peoples”) in both the United States and Canada in a collective and committed effort to revitalize and strengthen the Lakota, Dakota, and Nakota languages.