The Greater Toronto Area is comprised of Canada’s biggest city by population, the City of Toronto, and 4 surrounding Regional Municipalities each of which have their own elected governing structure. These are recognized as Upper tier municipalities. Under each of the Regional Municipalities is a set of lower tier municipalities who also have their own elected council and services. There are 24 Lower tier municipalities in the GTA.
GTA Regional (Upper tier) Municipalities |
GTA Lower Tier Municipalities |
Toronto |
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Halton Region |
Burlington, Halton Hills, Milton, Oakville |
Peel Region |
Brampton, Caledon, Mississauga |
York Region |
Aurora, East Gwillimbury, Georgina, King, Markham, Newmarket, Richmond Hill, Vaughan, Whitchurch-Stouffville |
Durham Region |
Ajax, Brock, Clarington, Oshawa, Pickering, Scugog, Uxbridge, Whitby |