G
| Ancient name | Location | Modern name | Also known as |
| Gangra | Çankırı, Turkey | Çankırı | Germanicopolis (Γερμανικόπολις), Germanopolis (Γερμανόπολις), Changra, Kandari, Kanghari |
| Gaza | Palestinian Territories | Gaza | |
| Gela | southern Sicily, Italy | Gela | Terranova di Sicilia |
| Golgi | Cyprus | abandoned | Golgoi (Γόλγοι) |
| Gonnos | Larissa regional unit, Greece | Gonnoi | Gonni (Γόννοι), Gonnus |
| Gorgippia | Black Sea coast of Krasnodar Krai, Russia | Anapa (Ана́па) | Sinda |
| Gournia | Crete, Greece | ||
| Gortyn | Crete | destroyed | Gortyna (Γόρτυνα, Γόρτυς, or Γόρτυν) |
| Gythium | Laconia, Greece | Gytheio | Gýtheion (Γύθειον), Gythio, Githio, Yithion |
Read more about this topic: List Of Ancient Greek Cities