Coffee County is a county located in the central part of the state of Tennessee, in the United States. As of the 2020 census, the county's population was 57,889. Its county seat is Manchester. Coffee County is part of the Tullahoma-Manchester, TN Micropolitan Statistical Area. It is also part of Middle Tennessee, one of the three Grand Divisions of the state.

Warren County is a county located on the Cumberland Plateau in Middle Tennessee, one of the three Grand Divisions of the U.S. state of Tennessee. As of the 2020 census, the population was 40,953. Its county seat is McMinnville. Warren County comprises the McMinnville, TN Micropolitan Statistical Area.