The Sun Belt is a region of the United States generally considered stretching across the Southeast and Southwest. Another rough definition of the region is the area south of the 36th parallel. Several climates can be found in the region — desert/semi-desert, Mediterranean (California), humid subtropical and tropical.

The Southern United States, sometimes Dixie, also referred to as the Southern States, the American South, the Southland, Dixieland, or simply the South, is a geographic and cultural region of the United States of America. It is between the Atlantic Ocean and the Western United States, with the Midwestern and Northeastern United States to its north and the Gulf of Mexico and Mexico to its south.