Chattanooga is the fourth-largest city in Tennessee (after Memphis, Nashville and Knoxville), and the seat of Hamilton County. Located in southeastern Tennessee on Chickamauga Lake and Nickajack Lake, which are both part of the Tennessee River, Chattanooga lies approximately 104miles (167km) to the north-northwest of Atlanta, Georgia, 120miles (190km) to the southwest of Knoxville, about 135miles (217km) to the southeast of Nashville, and about 148miles (238km) to the northeast of Birmingham, Alabama. Chattanooga is ranked 8th out of Americas 100 largest metro areas for the best "Bang For Your Buck" city according to Forbes magazine. The study measured overall affordability, housing rates, and more.