| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Tallaght | city | Baile Atha Cliath | Ireland | 53.2877778 | -6.3411111 | 298 | 100549 |
| Tamhlacht | city | Baile Atha Cliath | Ireland | 53.2877778 | -6.3411111 | 298 | 100549 |
| Teach Sagard | city | Baile Atha Cliath | Ireland | 53.2802778 | -6.4444444 | 511 | 89397 |
| Templeogue | city | Baile Atha Cliath | Ireland | 53.2952778 | -6.3088889 | 272 | 103037 |
| The Five Roads | city | Baile Atha Cliath | Ireland | 53.5541667 | -6.2091667 | 236 | 98391 |
| Tobertown | city | Baile Atha Cliath | Ireland | 53.6169444 | -6.2538889 | 101 | 56398 |
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