| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Gardhshorn | city | Iceland | 66.02 | -20.43 | 3 | 0 | |
| Garðshorn | city | Iceland | 66.02 | -20.43 | 3 | 0 | |
| Gautsdalur | city | Iceland | 65.58 | -19.88 | 787 | 0 | |
| Geirastadhir | city | Iceland | 65.57 | -20.40 | 6 | 0 | |
| Geirastaðir | city | Iceland | 65.57 | -20.40 | 6 | 0 | |
| Geitaskardh | city | Iceland | 65.60 | -20.12 | 160 | 0 | |
| Geitaskarð | city | Iceland | 65.60 | -20.12 | 160 | 0 | |
| Geithamrar | city | Iceland | 65.52 | -20.12 | 590 | 0 | |
| Geiþamrar | city | Iceland | 65.52 | -20.12 | 590 | 0 | |
| Gil | city | Iceland | 65.52 | -19.78 | 767 | 0 | |
| Gilja | city | Iceland | 65.55 | -20.35 | 154 | 0 | |
| Gilsstadhir | city | Iceland | 65.42 | -20.30 | 32 | 0 | |
| Gilsstaðir | city | Iceland | 65.42 | -20.30 | 32 | 0 | |
| Gilá | city | Iceland | 65.37 | -20.18 | 912 | 7 | |
| Glaumbaer | city | Iceland | 65.63 | -20.17 | 154 | 271 | |
| Glaumbær | city | Iceland | 65.63 | -20.17 | 154 | 271 | |
| Grund | city | Iceland | 65.50 | -20.10 | 636 | 0 | |
| Gudhlaugsstadhir | city | Iceland | 65.45 | -19.82 | 393 | 0 | |
| Gudhrunarstadhir | city | Iceland | 65.35 | -20.17 | 344 | 0 | |
| Gudlangsstadhir | city | Iceland | 65.45 | -19.82 | 393 | 0 | |
| Gudlangsstaðir | city | Iceland | 65.45 | -19.82 | 393 | 0 | |
| Gunnfridharstadhir | city | Iceland | 65.58 | -20.08 | 226 | 0 | |
| Gunnfriðarstaðir | city | Iceland | 65.58 | -20.08 | 226 | 0 | |
| Gunnsteinsstadhir | city | Iceland | 65.57 | -20.00 | 183 | 4 | |
| Gunnsteinsstaðir | city | Iceland | 65.57 | -20.00 | 183 | 4 | |
| Guðlaugsstaðir | city | Iceland | 65.45 | -19.82 | 393 | 0 | |
| Guðrúnarstaðir | city | Iceland | 65.35 | -20.17 | 344 | 0 |