Neva is a small unincorporated community in Johnson County, and it is located along TN Hwy 167 between Mountain City and Watauga Lake. It is situated in Roan Valley with Roan Mountain to the east and Doe Mountain to the west. The community does not have a Post Office and is part of the delivery area of the Mountain City Post Office with an assigned zip code of 37683. The Neva community is home to several businesses, a fire department, an elementary school and the Johnson County Airport.
The history of the community is rooted in farming, timber, manganese mining and mills. The Roan Creek flows through the area and is where some of the earliest settlements in the county were first started. This is near where the first gristmill was built in the area on the bank of the Roan Creek in 1820.