what county is chattanooga tennessee
Chattanooga, Tennessee. Chattanooga is a city in the U.S. state of Tennessee, with a population of 176,588 in 2015. The fourth-largest Tennessee city, it is the seat of Hamilton County. Located in southeastern Tennessee in East Tennessee, on the Tennessee River, served by multiple railroads and Interstate highways, Chattanooga is a transit hub. Chattanooga lies 120 miles northwest of Atlanta, Georgia, 120 miles southwest of Knoxville, Tennessee, 135 miles southeast of Nashville, Tennessee, 120 miles northeast of Huntsv