Eastern Idaho is the area of Idaho lying east of the Magic Valley region. It is generally understood to include: Bannock, Bear Lake, Bingham,  Bonneville, Butte, Caribou, Clark, Custer, Franklin, Fremont, Jefferson, Madison, Oneida, Power and Teton Counties. In terms of culture much of the region is in the Mormon Corridor and The Church of Jesus Christ of Latter-day Saints plays a major role in the lives of a majority of the region's residents.