| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Adelphi | city | Ward of Tobago | Trinidad and Tobago | 11.2 | -60.7166667 | 433 | 14611 |
| Adventure | city | Ward of Tobago | Trinidad and Tobago | 11.2166667 | -60.7666667 | 206 | 9368 |
| Agostini | city | County of Caroni | Trinidad and Tobago | 10.4833333 | -61.4 | 456 | 60096 |
| Anse Fourmi | city | Ward of Tobago | Trinidad and Tobago | 11.3 | -60.6166667 | 544 | 12101 |
| Anse Noire | city | County of Saint David | Trinidad and Tobago | 10.8333333 | -60.9666667 | 108 | 4116 |
| Arden | city | Ward of Tobago | Trinidad and Tobago | 11.2666667 | -60.5833333 | 141 | 14487 |
| Arima | city | Arima | Trinidad and Tobago | 10.6333333 | -61.2833333 | 223 | 79968 |
| Arnos Vale | city | Ward of Tobago | Trinidad and Tobago | 11.2166667 | -60.75 | 108 | 14962 |
| Arouca | city | County of Saint George | Trinidad and Tobago | 10.6333333 | -61.3333333 | 124 | 89813 |
| Arouca Village | city | County of Saint George | Trinidad and Tobago | 10.6333333 | -61.3333333 | 124 | 89813 |
| Auchenskeoch | city | Ward of Tobago | Trinidad and Tobago | 11.15 | -60.7666667 | 0 | 9308 |
| Avocat | city | County of Saint Patrick | Trinidad and Tobago | 10.2 | -61.5333333 | 36 | 44864 |
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