I would say it would be the Unaka Mountains since there are so many mountains separating the people
Knoxville is in eastern Tennessee.
central basin
Memphis is a city in Tennessee. It is in Tennessee's West "Grand Division" or region.
The adjective forms for the noun region are regional and regionally.
The Cumberland Plateau region in middle Tennessee is an elevated flat expanse of land. It is known for its scenic landscapes, waterfalls, and sandstone rock formations.
Tennessee is in the Southern Region of the United States. Memphis Tennessee is located in the southwest corner of Tennessee.
regional
Tennessee is located in South East Central Region. The Time zone in Tennesse is Central Time.
Tennessee is in the South Region. The Tennessee Constitution defines the state's three "Grand Divisions" as being East, Middle, and West Tennessee. Memphis is in the West Grand Division.
A regional empire is a region of land owned by a ruler of a certain region or area.
The mountain region of Tennessee is in eastern Tennessee along the border with North Carolina.
Eastern Tennessee