Chattanooga is the fourth-largest city in the
U.S. state of
Tennessee, with a population of 167,674 as of the 2010 census, and an estimated population of 171,279 in 2012. It is the
seat of
Hamilton County. Located in southeastern Tennessee in
East Tennessee, on
Chickamauga Lake and
Nickajack Lake, which are both part of the
Tennessee River, Chattanooga lies approximately to the northwest of
Atlanta, Georgia, to the southwest of
Knoxville, Tennessee, about to the southeast of
Nashville, Tennessee, about to the northeast of
Huntsville, Alabama, and about to the northeast of
Birmingham, Alabama. Chattanooga abuts the
Georgia border and is where three major
interstate highways meet:
I-24,
I-75, and
I-59.
