Tennessee is the 14th fastest growing state in the U.S. It borders eight other states and is geographically and constitutionally divided into three Grand Divisions: East, Middle, and West. Nashville, also the capital has the state's largest metro area; however, Memphis has the largest population of any city in the state. Chattanooga and Knoxville, both in the eastern part of the state, has approximately one-third of the population of Memphis or Nashville. The city of Clarksville is a fifth significant population center.