Atlanta Airport Terminals
Atlanta Airport consists of two passenger terminals: The Domestic Terminal (West Side) and the International Terminal (East Side), officially known as Maynard H. Jackson Jr. International Terminal.
Atlanta Domestic Terminal
Atlanta Domestic Terminal is divided between North Terminal and South Terminal, although they are united by the Atrium, a three level facility where services and a wide offer of amenities are located.
It has several concourses, A to D, and T concourse too, located in the Main Terminal building.
Terminal S and Terminal N
Terminal South (Terminal S) and Terminal North (Terminal N) are located in the Domestic Terminal and passengers go there to do the check-in and baggage claim. They are not a terminal in sense but more of an area inside of Atlanta Domestic Terminal.
Atlanta International Terminal (Maynard H. Jackson Jr.)
Atlanta International Terminal processes all the international services to and from the Airport.
It consists of three levels and is provided with boarding gates from E1 to E37 and F1 to F14.
The Departure Level connects directly with the Hourly Parking Deck as well as the Arrivals Level.
Transfer between terminals
Both terminals and concourses are connected to each other via Sky Train, also known as Plane Train.
There is also a free shuttle that runs between both terminals 24/7, every 15 minutes.
Find more information here.