| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Gasparillo | city | County of Victoria | Trinidad and Tobago | 10.3166667 | -61.4166667 | 68 | 65640 |
| Gasparillo Village | city | County of Victoria | Trinidad and Tobago | 10.3166667 | -61.4166667 | 68 | 65640 |
| George Village | city | County of Victoria | Trinidad and Tobago | 10.2833333 | -61.3166667 | 249 | 34350 |
| Glamorgan | city | Ward of Tobago | Trinidad and Tobago | 11.2166667 | -60.6166667 | 3 | 14259 |
| Golconda | city | County of Victoria | Trinidad and Tobago | 10.25 | -61.4333333 | 68 | 90245 |
| Golden Grove | city | Ward of Tobago | Trinidad and Tobago | 11.1666667 | -60.8166667 | 29 | 7716 |
| Golden Lane | city | Ward of Tobago | Trinidad and Tobago | 11.2333333 | -60.7166667 | 419 | 14962 |
| Goldsborough | city | Ward of Tobago | Trinidad and Tobago | 11.2 | -60.6166667 | 0 | 6152 |
| Goodwood | city | Ward of Tobago | Trinidad and Tobago | 11.2 | -60.6333333 | 0 | 9914 |
| Gordon Settlement | city | County of Caroni | Trinidad and Tobago | 10.3 | -61.4 | 101 | 75974 |
| Grafton | city | Ward of Tobago | Trinidad and Tobago | 11.1833333 | -60.7833333 | 213 | 12500 |
| Gran Couva | city | County of Caroni | Trinidad and Tobago | 10.4 | -61.3666667 | 488 | 42035 |
| Grande Riviere | city | County of Saint David | Trinidad and Tobago | 10.8333333 | -61.05 | 193 | 3799 |
| Grande Riviere Village | city | County of Saint David | Trinidad and Tobago | 10.8333333 | -61.05 | 193 | 3799 |
| Grange | city | Ward of Tobago | Trinidad and Tobago | 11.1833333 | -60.7833333 | 213 | 12500 |
| Granville | city | County of Saint Patrick | Trinidad and Tobago | 10.1166667 | -61.8 | 3 | 5019 |
| Green Hill | city | County of Saint George | Trinidad and Tobago | 10.7333333 | -61.5666667 | 206 | 77471 |
| Green Hill | city | Ward of Tobago | Trinidad and Tobago | 11.2 | -60.6666667 | 95 | 13332 |
| Greenhill Village | city | County of Saint George | Trinidad and Tobago | 10.7333333 | -61.5666667 | 206 | 77471 |
| Guaico | city | County of Saint Andrew | Trinidad and Tobago | 10.5833333 | -61.15 | 137 | 17456 |
| Guaico Tamana | city | County of Saint Andrew | Trinidad and Tobago | 10.4833333 | -61.15 | 249 | 12806 |
| Guaico Village | city | County of Saint Andrew | Trinidad and Tobago | 10.5833333 | -61.15 | 137 | 17456 |
| Guamal | city | County of Saint George | Trinidad and Tobago | 10.75 | -61.3666667 | 892 | 64672 |
| Guanapo | city | County of Saint George | Trinidad and Tobago | 10.6 | -61.25 | 173 | 50482 |
| Guapo | city | County of Victoria | Trinidad and Tobago | 10.1833333 | -61.65 | 118 | 21802 |
| Guaracara Junction | city | County of Caroni | Trinidad and Tobago | 10.3666667 | -61.3166667 | 269 | 37194 |
| Guaracara Junction Village | city | County of Caroni | Trinidad and Tobago | 10.3666667 | -61.3166667 | 269 | 37194 |
| Guarata | city | County of Saint George | Trinidad and Tobago | 10.6833333 | -61.4166667 | 816 | 138893 |
| Guayaguayare | city | County of Mayaro | Trinidad and Tobago | 10.1333333 | -61.0333333 | 0 | 2799 |
| Guayaguayare Village | city | County of Mayaro | Trinidad and Tobago | 10.1333333 | -61.0333333 | 0 | 2799 |
| Gunapo | city | County of Saint George | Trinidad and Tobago | 10.6 | -61.25 | 173 | 50482 |
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