King is a township in York Region north of Toronto, within the Greater Toronto Area in Ontario, Canada. The rolling hills of the Oak Ridges …King is a township in York Region north of Toronto, within the Greater Toronto Area in Ontario, Canada. The rolling hills of the Oak Ridges Moraine are the most prominent visible geographical feature of King. The Holland Marsh, considered to be Ontario's "vegetable basket", straddles King Township and Bradford West Gwillimbury. King is known for its horse and cattle farms.