Southwestern United States

Encyclopedia : S : SO : SOU : Southwestern United States

Regional definitions vary from source to source. The states shown in dark red are usually included, while all or portions of the striped states may or may not be considered part of the Southwestern United States.

The southwestern United States (called the American Southwest or simply the Southwest) is a region of western United States, warmer than the northern states and drier than the eastern states; the population is less dense and, with moderate Mexican and American Indian components, more ethnically varied than neighboring areas. Contained within this region is the Desert Southwest consisting mainly of Arizona and New Mexico. Texas and Oklahoma are generally considered part of the Southwest, with Colorado, Utah, and Nevada also frequently considered part of the Southwest.

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