The Grand Canyon States are commonly referred to as the six states that the Grand Canyon National Park spans across. While "Grand Canyon States" is a term that is used quite often, it is not the only way to refer to this region. Other synonyms for the Grand Canyon States could include "Southwest States" or "Southwestern States." Since the Grand Canyon is such a defining feature of the region, other possibilities might include "Canyon States," or even "Arizona Six" since Arizona is the state where the majority of the Grand Canyon lies. Whatever synonym is used, there is no denying the beauty and majesty of this region of the United States that draws countless visitors each year.