| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Gardhakot | city | Iceland | 65.75 | -19.25 | 580 | 0 | |
| Gardhur | city | Iceland | 65.73 | -19.47 | 0 | 82 | |
| Garðakot | city | Iceland | 65.75 | -19.25 | 580 | 0 | |
| Garður | city | Iceland | 65.73 | -19.47 | 0 | 82 | |
| Gauksstadhir | city | Iceland | 65.93 | -19.92 | 78 | 0 | |
| Gauksstaðir | city | Iceland | 65.93 | -19.92 | 78 | 0 | |
| Geirmundarhóll | city | Iceland | 65.98 | -19.30 | 652 | 0 | |
| Geirmundarstadhir | city | Iceland | 65.63 | -19.60 | 206 | 0 | |
| Geirmundarstaðir | city | Iceland | 65.63 | -19.60 | 206 | 0 | |
| Geldingaholt | city | Iceland | 65.58 | -19.47 | 26 | 84 | |
| Gil | city | Iceland | 65.70 | -19.63 | 203 | 940 | |
| Gil | city | Iceland | 66.02 | -19.00 | 912 | 0 | |
| Gilhagi | city | Iceland | 65.35 | -19.22 | 902 | 0 | |
| Gilkot | city | Iceland | 65.47 | -19.38 | 347 | 0 | |
| Gilsbakki | city | Iceland | 65.37 | -19.02 | 1246 | 0 | |
| Glaesibaer | city | Iceland | 66.02 | -19.40 | 82 | 0 | |
| Glaesibaer | city | Iceland | 65.67 | -19.60 | 124 | 272 | |
| Glaumbaer | city | Iceland | 65.62 | -19.52 | 59 | 2 | |
| Glaumbær | city | Iceland | 65.62 | -19.52 | 59 | 2 | |
| Glæsibær | city | Iceland | 66.02 | -19.40 | 82 | 0 | |
| Glæsibær | city | Iceland | 65.67 | -19.60 | 124 | 272 | |
| Godhdalir | city | Iceland | 65.33 | -19.10 | 656 | 0 | |
| Goðdalir | city | Iceland | 65.33 | -19.10 | 656 | 0 | |
| Grafargerdhi | city | Iceland | 65.88 | -19.40 | 82 | 161 | |
| Grafargerði | city | Iceland | 65.88 | -19.40 | 82 | 161 | |
| Grimsstadhir | city | Iceland | 65.32 | -19.18 | 944 | 0 | |
| Grindill | city | Iceland | 66.05 | -19.07 | 331 | 0 | |
| Grindur | city | Iceland | 65.87 | -19.33 | 410 | 0 | |
| Grof | city | Iceland | 65.87 | -19.37 | 262 | 96 | |
| Grof | city | Iceland | 65.65 | -19.53 | 52 | 0 | |
| Grund | city | Iceland | 65.97 | -19.92 | 0 | 0 | |
| Grundargerdhi | city | Iceland | 65.57 | -19.33 | 147 | 0 | |
| Grundargerði | city | Iceland | 65.57 | -19.33 | 147 | 0 | |
| Grundarland | city | Iceland | 65.90 | -19.25 | 534 | 0 | |
| Grímsstaðir | city | Iceland | 65.32 | -19.18 | 944 | 0 |