- Gaekwar
- Galicia
- Gambia
- Ganges River
- Ganges Valley
- Gao (Africa)
- Gaul
- Gaza
- Gazaland
- Geneva
- Genoa
- Georgia (Caucasus)
- Georgia (United States)
- Ghana
- Ghazni
- Ghent
- Gibraltar
- Gila River
- Glasgow
- Glatz
- Goa
- Gobi Desert
- Gobir
- Gold Coast
- Gondar
- Grand Canyon
- Great Barrier Reef
- Great Dividing Range
- Great Lakes
- Greece
- Grenada
- Griqua
- Grodno
- Guadalahara
- Guanahani
- Guanajuato
- Guangzhou
- Guateloupe
- Guatemala City
- Guayaquil
- Guaymas
- Guinea
- Gujarat
- Guerrero
- Guiana
- Gujarat
- Gulf of Guinea
- Gulf of Mexico
- Gwato