Tennessee, officially the State of Tennessee, is a state in the southeastern United States. Tennessee is the 36th largest by area and the 16th most populous of the 50 states. It is bordered by eight states, with Kentucky to the north, Virginia to the northeast, North Carolina to the east, Georgia, Alabama, and Mississippi to the south, Arkansas to the west, and Missouri to the northwest. The Appalachian Mountains dominate the eastern part of the state, and the Mississippi River forms its western border. Nashville is the state's capital and largest city, with a 2019 population of 670,820 and a 2019 metro population of 1,934,317. Tennessee's second largest city is Memphis, which had a population of 651,073 and metro population of 1,346,045 in 2019.