Idaho Falls is a city in and the county seat of Bonneville County, Idaho, United States, and is the largest city in Eastern Idaho. Idaho Falls is the principal city of the Idaho Falls, Idaho Metropolitan Statistical Area and the Idaho Falls-Blackfoot, Idaho Combined Statistical Area and is the state's largest city outside the Boise metropolitan area and is the third-largest metro area behind Boise City-Nampa and Coeur d'Alene, which is adjacent to the larger Spokane metropolitan area.
Idaho Falls serves as a hub to all of eastern Idaho and much of western Wyoming. Due to its relative economic vitality, high quality of life, and proximity to world-class outdoor recreation, it is often featured in various publications' lists of "best places to live." The area is served by the Idaho Falls Regional Airport and is home to the Idaho Falls Chukars minor league baseball team, and the Idaho Mustangs, a semi-professional football team that plays in the Rocky Mountain Football League.