Greater Toronto Area (GTA) Boundary

Coordinate system: 4326 - "WGS 84"


Polygon of the GTA (Greater Toronto Area). Created from the DMTI Municipal Amalgamation 2012.3 file.

Includes the following municipalities: Ajax, Whitby, Oshawa, Clarington, Scugog, Uxbridge, Brock, Newmarket, King, East Gwilimbury, Georgina, Brampton, Caledon, Oakville, Burlington, Milton, Halton Hills, Aurora, Mississauga, Pickering, Whitchurch-Stouffville, Richmond Hill, Markham, Toronto, Vaughan.

Additional Documentation