Orangeville is a town in south-central Ontario, Canada, and the seat of Dufferin County. The archeological record in Dufferin County dates indigenous occupation of the area to the "early Paleo-Indian" time period from 9000 to 8400 BCE. What eventually became Orangeville and Dufferin County, was historically the traditional territory of the Tionontati or Petun People. "The Petun occupied from eight to ten villages located below the Niagara Escarpment along the southwest margin of Georgian Bay". Although described in the Encyclopædia Britannica as "living in the mountains south of Nottawasaga Bay, in what are now Grey and Simcoe counties", according to Sawden's "A History of Dufferin County" the Petun also lived farther south at the source of the Grand River in Dufferin County.