| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Gaddstadhir | city | Iceland | 63.83 | -20.40 | 88 | 494 | |
| Gaddstaðir | city | Iceland | 63.83 | -20.40 | 88 | 494 | |
| Galtalaekur | city | Iceland | 64.00 | -19.97 | 321 | 287 | |
| Galtalækur | city | Iceland | 64.00 | -19.97 | 321 | 287 | |
| Galtarholt | city | Iceland | 63.73 | -20.40 | 29 | 130 | |
| Gardhsauki | city | Iceland | 63.73 | -20.25 | 85 | 574 | |
| Gardhsviki | city | Iceland | 63.73 | -20.25 | 85 | 574 | |
| Garðsauki | city | Iceland | 63.73 | -20.25 | 85 | 574 | |
| Garðsviki | city | Iceland | 63.73 | -20.25 | 85 | 574 | |
| Gata | city | Iceland | 63.53 | -19.70 | 29 | 0 | |
| Gata | city | Iceland | 63.75 | -20.23 | 108 | 644 | |
| Gata | city | Iceland | 63.82 | -20.50 | 82 | 6 | |
| Gaularás | city | Iceland | 63.60 | -20.27 | 13 | 186 | |
| Geldingabaeli | city | Iceland | 64.00 | -20.40 | 305 | 0 | |
| Geldingabæli | city | Iceland | 64.00 | -20.40 | 305 | 0 | |
| Geldingalaekur | city | Iceland | 63.88 | -20.27 | 255 | 0 | |
| Geldingalækur | city | Iceland | 63.88 | -20.27 | 255 | 0 | |
| Gerdhar | city | Iceland | 63.67 | -20.32 | 36 | 31 | |
| Gerðar | city | Iceland | 63.67 | -20.32 | 36 | 31 | |
| Glaesisstadhir | city | Iceland | 63.67 | -20.45 | 6 | 25 | |
| Glæsisstaðir | city | Iceland | 63.67 | -20.45 | 6 | 25 | |
| Graenholl | city | Iceland | 63.78 | -20.70 | 26 | 124 | |
| Grjóta | city | Iceland | 63.73 | -20.02 | 223 | 0 | |
| Grund | city | Iceland | 63.55 | -19.82 | 19 | 0 | |
| Grænhóll | city | Iceland | 63.78 | -20.70 | 26 | 124 | |
| Gudhnastadhir | city | Iceland | 63.58 | -20.17 | 19 | 0 | |
| Gunnarsholt | city | Iceland | 63.85 | -20.20 | 252 | 0 | |
| Guttormshagi | city | Iceland | 63.97 | -20.43 | 321 | 0 | |
| Guðnastaðir | city | Iceland | 63.58 | -20.17 | 19 | 0 | |
| Gíslholt | city | Iceland | 63.95 | -20.50 | 193 | 0 |