Barrie is a city in Ontario, Canada. It is located on the shores of Kempenfelt Bay, the western arm of Lake Simcoe. It is a politically independent single-tier municipality within Simcoe County. Barrie is part of the extended urban area in southern Ontario known as the Greater Golden Horseshoe. As of the 2016 census, the city's population was 141,434, while the census metropolitan area centred on the city had a population of 197,059 residents.
Barrie is situated on the traditional land of the Wendat, Haudenosaunee and Anishinaabeg peoples. 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 its emergence as a bedroom community for Toronto, to which it is connected by Ontario Highway 400 and GO Transit. Significant sectors of the city's diversified economy include education, healthcare, information technology and manufacturing.