The term 'OKLA. INDIAN' refers to the indigenous peoples of Oklahoma, which includes the Otoe, Oto, CREEK, Kiowa, Osage, Ponca, and CHEROKEE tribes. The Otoe and Oto are both Native American tribes that historically lived in the Great Plains region of the United States. The CREEK tribe is a Muscogee Native American tribe that originally inhabited the southeastern United States. The Kiowa are a Plains Indian tribe that traditionally lived in the Great Plains region of the United States. The Osage are a Midwestern Native American tribe that historically lived in the present-day states of Kansas, Missouri, Arkansas, and Oklahoma. The Ponca are a Midwestern Native American tribe that traditionally lived in the present-day states of Nebraska and Oklahoma. The CHEROKEE are a Native American tribe that historically lived in the southeastern United States.