Location: Southeast Tennessee on the Georgia state line
Size: With 140.7 square miles, Chattanooga surrounds the cities of Red Bank and Ridgeside and the Tennessee side of East Ridge. Although smaller in population, Chattanooga is geographically bigger than New York, Chicago, Memphis or Atlanta.
Relative size: Chattanooga is the fourth-largest city in Tennessee and the 139th-largest city in the United States, according to the 2010 census.
Population: 171,282, according to the latest census figures.
Date founded: 1838.