Atlanta is the capital and largest city of the U.S. state of Georgia. It is one of the South's largest cities. Atlanta is known as a major business city. It is the home of Coca-Cola Company, CNN, AT&T, and Home Depot, as well as many other Fortune 500 companies. Atlanta's airport, called Hartsfield-Jackson International Airport, is the busiest airport in the world. Atlanta is near the center of Georgia and is on the Chattahoochee River.