| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Aiden's Cross Roads | city | Loch Garman | Ireland | 52.6555556 | -6.5569444 | 298 | 4083 |
| Aidenʼs Cross Roads | city | Loch Garman | Ireland | 52.6555556 | -6.5569444 | 298 | 4083 |
| Aighe | city | County Donegal | Ireland | 54.7372222 | -8.4308333 | 524 | 2155 |
| Ail Finn | city | Ros Comain | Ireland | 53.85 | -8.2 | 249 | 1839 |
| Aille | city | | Ireland | 53.7666667 | -9.4 | 288 | 1811 |
| Aillemore | city | Maigh Eo | Ireland | 53.7083333 | -9.8708333 | 259 | 1655 |
| Aillenacally | city | Gaillimh | Ireland | 53.4216667 | -9.9055556 | 0 | 2256 |
| Ailt an Chorrain | city | County Donegal | Ireland | 54.9855556 | -8.4311111 | 6 | 908 |
| Ailt an Chorráin | city | County Donegal | Ireland | 54.9855556 | -8.4311111 | 6 | 908 |
| Aird Mhor | city | Port Lairge | Ireland | 51.9491667 | -7.7252778 | 3 | 1633 |
| Aird Mhór | city | Port Lairge | Ireland | 51.9491667 | -7.7252778 | 3 | 1633 |
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