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.
The area was first settled during the War of 1812 as a supply depot for British forces, and Barrie was named after Sir Robert Barrie. The city has grown significantly in recent decades due to the emergence of the technology industry. It is connected to the Greater Golden Horseshoe by Ontario Highway 400 and GO Transit. Significant sectors of the city's diversified economy include education, healthcare, information technology and manufacturing.