Fulton County Airport, also known as Charlie Brown Field or Brown’s Field, is a county-owned, public-use airport in Fulton County, Georgia, United States. It is located six nautical miles west of the central business district of Atlanta. The airport's name comes from the nickname of former Atlanta politician Charles M. Brown, who served on the city council and county commission during the 1960s. It is also called Charlie Brown Airport or Brown Field. On the radio, however, it is referred to as "County Tower" or "County Ground".

Fulton County is a county in the north-central portion of the U.S. state of Georgia. As of the 2020 United States census, the population was 1,066,710, making it the state's most populous county and its only one with over one million inhabitants. Its county seat and most populous city is Atlanta, the state capital. About 90% of the City of Atlanta is within Fulton County; the remaining portion is in DeKalb County. Fulton County is part of the Atlanta–Sandy Springs–Roswell, GA Metropolitan Statistical Area.