Union County on the map of Tennessee 2024. Cities, roads, borders and directions in Union County of Tennessee.

Union County is located in the northeastern part of Tennessee. This famous county is named after its creation from parts of five counties. The county seat of Union County is Maynardville. Formed in 1850, today Union County is home to 20 thousand residents. This map shows the borders of Union County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Union County.