Hartsfield–Jackson Atlanta International Airport, also known as Atlanta Airport, Hartsfield, or Hartsfield–Jackson, is an international airport located 7 miles south of Atlanta's central business district, in the U.S. state of Georgia.
Source: Wikipedia
No. of Passengers: 101.5 million
Hartsfield-Jackson has remained the world's busiest passenger airport in the world since 1998. Contributing to the airport's prominence is Atlanta's convenient location, a mere two-hour flight from 80 percent of the U.S. population.
Hartsfield–Jackson Atlanta International Airport is a great airport with lots of littler kiosks along the way from terminal to terminal. The team is fantastic when you need to go more than one terminal. It's fat easy to follow and gets you there in time to do a little shopping or eating.
For being such a large airport, it is quite efficient. There's someone's constriction, so pay attention to your signs. Follow the signs, and you will get there nicely.