Chattanooga is a city in southeastern Tennessee, United States. It is the county seat of Hamilton County and the principal city of the Chattanooga metropolitan area, which was home to 593,185 people in 2020.
Chattanooga is known for its scenic beauty, particularly its setting on the Tennessee River and Lookout Mountain. The city is also home to a number of historical sites, including the Chickamauga and Chattanooga National Military Park, which commemorates the Civil War battle of Chattanooga.