Summerville is a city in Chattooga County, Georgia, United States. The population was 4,556 at the 2000 census. The city is the county seat of Chattooga County.
Summerville is located at 34°28′47″N 85°20′53″W / 34.47972°N 85.34806°W / 34.47972; -85.34806 (34.479803, -85.347988).
According to the United States Census Bureau, the city has a total area of 4.0 square miles (10.3 km²), all of it land.