Orillia is a city in Ontario, Canada, about 30 km north-east of Barrie in Simcoe County. It is located at the confluence of Lake Couchiching and Lake Simcoe. Although it is geographically located within Simcoe County, the city is a single-tier municipality. It is part of the Huronia region of Central Ontario. The population in 2021 was 33,411.It was incorporated as a village in 1867, but the history of what is today the City of Orillia dates back at least several thousand years.
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