The Physical Regions of Canada Canada is divided into six regions. The regions are the Atlantic region, the Great Lakes-St. Lawrence River region, the Shield region, the Plains region, the Cordillera region, and the North region. Each of these different regions all have their own special traits which make them unique from the others. Things such as area, population density, economy, resources, etc. divide the regions and give them the identity they have. In the Atlantic region are the provinces of New Brunswick, Newfoundland, Nova Scoti ....