Johnson City is a city in Carter, Sullivan, and Washington Counties in the U.S. state of Tennessee, with most of the city being in Washington County. The population was 55,469 at the 2000 census.
Kingsport is a city in Hawkins and Sullivan counties in the U.S. state of Tennessee. The majority of the city lies in Sullivan County. The population was 44,095 at the 2000 census.