The Interior Plains are primarily located in Canada and United States.

This large geographic region stretches across central North America, covering significant parts of both the United States and Canada. In the U.S., it includes the Great Plains, while in Canada, it encompasses the Prairie Provinces. The Interior Plains are known for their flat or gently rolling landscapes, fertile soils, and important agricultural and natural resources. This area supports extensive farming, particularly for crops like wheat, and also holds large deposits of oil and gas.