Geographic regions of Ontario

region of Ontario centered on Toronto and extending around western Lake Ontario

area of Canada with Highway 401 and Autoroute 20 as backbones

region in Canada

secondary region in Ontario, Canada

primary region in Ontario, Canada

region of Ontario, Canada

sum total of all major cities near the Great Lakes in some form

thumb|Map showing the snowbelts around the Great Lakes of North America with accumulations or more during winter|alt=|400x400px The Snowbelt, Snow Belt, Frostbelt, or Frost Belt is the region near the Great Lakes in North America where heavy snowfall in the form of lake-effect snow is particularly common. Snowbelts are typically found downwind of the lakes, principally off the eastern and southern shores.