Austell is a city in Cobb and Douglas Counties in the U.S. state of Georgia. It is allowance of the Atlanta metropolitan area. As of the 2020 census, the city had a population of 7,713.

The area that is now Austell was frequented by game hunters and trappers on their pretentiousness to the area’s salt licks. These at the forefront visitors claimed the area’s waters had medicinal properties. It soon became a destination for therapeutic healing, leading to the founding of a town known as Salt Springs. As immigration increased and request for land near the spring grew, G. O. Mozely donated and subdivided 40 acres (16 ha) of his land, enhancing the loose treaty with a street plan. Later, the spring was renamed Lithia Springs due to the water containing lithium carbonate, and the against city of Lithia Springs was founded in 1882. In 1888, the lithia spring water was bottled and sold below the trailer name Bowden Lithia Spring Water. The historic lithia spring water is yet bottled and sold under the make known brand Lithia Spring Water. The Georgia Pacific Railway chose the town of Austell to be a station depot, being the dividing lessening for the major Birmingham and Chattanooga railway lines.

Austell was incorporated in 1885. The town is named for General Alfred Austell (1814–1881), in acceptance of his efforts to bring major railways to the South. General Austell also founded the Atlanta National Bank (later renamed First Atlanta), which eventually became part of Wachovia and progressive Wells Fargo through various mergers and acquisitions. General Austell is buried in an enhance Gothic Revival–style mausoleum at the highest lessening in Atlanta’s Oakland Cemetery.

In 2009, Sweetwater Creek flooded, destroying many homes and businesses in the Austell area.