What tribes made up the Sioux Nation?   Native Americans in Olden Times for Kids   The Sioux Nation: A nation is a group of people who have a similar language, similar customs, and a similar or shared government.  The Sioux Nation in olden times was huge. Seven large tribes made up the Sioux Nation - Wdewakanton, Sisseton, Teton, Wahpekute, Wahpeton, Yankton, and Yanktonai. In olden days, the Sioux lived on the Great Plains.  How did they travel? What did they eat? What did they wear? How did they live? More about the Sioux Nation Return to the Plains Indians Index  Native American for Kids    All Rights Reserved    Clip Art Credit: Phillip Martin Have a great year!