Yavapai is an Upland Yuman language, spoken by Yavapai people in central and western Arizona. There are four dialects: Kwevkepaya, Wipukpaya, Tolkepaya, and Yavepe. Linguistic studies of the Kwevkepaya (Southern), Tolkepaya (Western), Wipukepa (Verde Valley), and Yavepe (Prescott) dialects have been published (Mithun 1999:578). Yavapai was once spoken across much of north-central and western Arizona, but is now mostly spoken on the Yavapai reservations at Fort McDowell, the Verde Valley and Prescott.