- Georgia, United States1
- Germantown, Philadelphia, Philadelphia County, Pennsylvania, United States1
- Germany9
- Giant's Causeway, County Antrim, Ireland, United Kingdom1
- Gibraltar1
- Gilmerton, Edinburgh, Scotland, United Kingdom1
- Girgenti, Agrigento, Sicily, Italy1
- Goshen, Hampshire County, Massachusetts1
- Goshen, Hampshire County, Massachusetts, United States1
- Gouverneur, Saint Lawrence County, New York, United States1
- Greenfield, Saratoga County, New York, United States1
- Greenville County, South Carolina, United States2
- Greenville District, Greenville County, South Carolina, United States1
- Greenville, Greenville County, South Carolina, United States1
- Grimshawe Mine, Transylvania County, North Carolina, United States1
- Griqualand West, Northern Cape Province, South Africa1
- Gumuch-dagh, Ephesus, Izmir, Turkey2
- Haddam, Middlesex County, Connecticut, United States3
- Harpers Ferry, Jefferson County, West Virginia, United States1
- Haute-Vienne, Limousin, France1