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, with a population of 182,799 at the 2020 census.
Chattanooga is located on the Tennessee River, at the southern end of the Appalachian Mountains. The city is known for its scenic beauty, its vibrant arts and culture scene, and its rich history. Chattanooga was a major center of industry and transportation in the 19th and early 20th centuries, and it continues to be an important economic hub today.