The Bible Belt is a region of the Southern United States and one Midwestern state, the state of Missouri, in all of which socially conservative Protestant Christianity plays a strong role in society. Church attendance across the denominations is generally higher than the nation's average. The region contrasts with the religiously diverse Midwest and Great Lakes and the Mormon corridor in Utah, southern Idaho and northern Arizona.

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.