Barrie is a city in Central Ontario, Canada, about 90 kilometres (56 mi) north of Toronto. The city is within Simcoe County and located along the shores of Kempenfelt Bay. Although it is physically in the county, Barrie is politically independent. The city is part of the extended urban area in southern Ontario known as the Greater Golden Horseshoe. As of the 2021 census, the city's population was 147,829, while the census metropolitan area had a population of 212,667 residents.

Central Ontario is a secondary region of Southern Ontario in the Canadian province of Ontario that lies between Georgian Bay and the eastern end of Lake Ontario.