York Regional Municipality

The York Regional Municipality, informally York Region, is a regional municipality located just north of and bordering Toronto proper, Canada's most populous city and the provincial capital of the Canadian province of Ontario. As part of Toronto's metropolitan area, York Region's nine lower-tier municipalities (seven of which are incorporated as cities and two as towns) are important suburbs and commuter towns of Toronto. Together with the City of Toronto, York Region forms one half of York County, a ceremonial county of Ontario.

In December 2020, York Region had an estimated population of 3.36 million.