Bell County is a county located in the southeast part of the U.S. state of Kentucky. As of the 2020 census, the population was 24,097. Its county seat is Pineville and its largest city is Middlesboro.
Harlan County is located in southeastern Kentucky. As of the 2020 census, the population was 26,831. The county seat is Harlan. Kentucky's highest natural point, Black Mountain, is in Harlan County.