Manitoba, Saskatchewan, and Alberta are included in the Interior Plains.

The Interior Plains region of Canada encompasses the provinces of Manitoba, Saskatchewan, and Alberta. This area is characterized by its vast flatlands, rolling hills, and fertile soil, making it one of Canada's most significant agricultural zones. The geography of the Interior Plains influences its climate, with hot summers and cold winters, contributing to the growth of crops such as wheat and canola. Additionally, these provinces are rich in natural resources, including oil and gas, which play a vital role in their economies. The unique landscapes and ecosystems of the Interior Plains are shaped by the historical presence of ancient seas and glacial activity.