Sister Cities International Alliances
| Georgia City | Sister City | Country |
| Atlanta | Ancient Olympia | Greece |
| Atlanta | Brussels | Belgium |
| Atlanta | Bucharest | Romania |
| Atlanta | Cotonou | Benin |
| Atlanta | Daegu | South Korea |
| Atlanta | Fukuoka | Japan |
| Atlanta | Lagos | Nigeria |
| Atlanta | Montego Bay | Jamaica |
| Atlanta | Newcastle upon Tyne | United Kingdom |
| Atlanta | Nuremberg | Germany |
| Atlanta | Port of Spain | Trinidad and Tobago |
| Atlanta | Ra'anana | Israel |
| Atlanta | Rio de Janeiro | Brazil |
| Atlanta | Salcedo | Dominican Republic |
| Atlanta | Taipei | Chinese Taipei |
| Atlanta | Tbilisi | Georgia |
| Atlanta | Toulouse | France |
| Brunswick | Ganzhou | China |
| Brunswick | Ilan | Chinese Taipei |
| Cobb County | Seongdong-gu | South Korea |
| Columbus | Taichung | Chinese Taipei |
| Decatur | Bousse | Burkina Faso |
| Decatur | Ouahigouya | Burkina Faso |
| Decatur | Trujillo | Peru |
| Elberton | Takamatsu (formerly Mure) | Japan |
| Hinesville | Marsabit | Kenya |
| Hinesville | Yichun | China |
| LaGrange | Craigavon, County Armagh | Northern Ireland, United Kingdom |
| Macon | Elmina | Ghana |
| Macon | Kaohsiung City | Chinese Taipei |
| Macon | Kurobe | Japan |
| Macon | Macon | France |
| Macon | Ulyanovsk | Russia |
| Savannah | Bat'umi | Georgia |
| Savannah | Halle | Germany |
| Savannah | Jiujiang, Jiangxi | China |
| Savannah | Kaya | Burkina Faso |
| Savannah | Patras | Greece |
Other City and Regional Alliances
| Americus | Miyoshi (formerly Konu) | Japan |
| Athens | Athens | Greece |
| Athens | Cortona | Italy |
| Athens | Kamianets-Podilsky | Ukraine |
| Athens | Lasi | Romania |
| Atlanta | Kumasi | Ghana |
| Atlanta | Yokne'am | Israel |
| Augusta | Biarritz | France |
| Augusta | Takarazuka | Japan |
| Columbus | Bistrita | Romania |
| Columbus | Kiryu | Japan |
| Columbus | Zugdidi | Georgia |
| Dalton | Dilbeek | Belgium |
| Dublin | Osaki (formerly Sanbongi) | Japan |
| East Point | San Juan | Dominican Republic |
| East Point | Limon | Costa Rica |
| Gainesville | Eger | Hungary |
| Gainesville | Izunokuni (formerly Ohito) | Japan |
| Gwinnett County | Gangnam-gu | Korea |
| LaGrange | Aso | Japan |
| LaGrange | Poti | Georgia |
| Marietta | Heredia | Costa Rica |
| Marietta | Linz am Rhein | Germany |
| Rome | Kumamoto | Japan |
| Sandy Springs | Taicang | China |
| Tifton | Linyi | China |