| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Acaill | city | Mayo | Ireland | 53.93 | -9.91 | 0 | 698 |
| Accrour Bridge | city | Ireland | 52.37 | -8.91 | 370 | 2206 | |
| Achadh | city | Sligo | Ireland | 54.15 | -8.30 | 830 | 944 |
| Achadh | city | Leitrim | Ireland | 54.03 | -7.80 | 249 | 1803 |
| Achadh Bhó | city | Laois | Ireland | 52.92 | -7.51 | 357 | 1196 |
| Achadh Bolg | city | Cork | Ireland | 51.93 | -8.80 | 331 | 2472 |
| Achadh Bó | city | Laois | Ireland | 52.92 | -7.51 | 357 | 1196 |
| Achadh Cinn Chon | city | Offaly | Ireland | 53.03 | -7.79 | 830 | 1193 |
| Achadh Coille Móire | city | Leitrim | Ireland | 54.02 | -8.00 | 252 | 1651 |
| Achadh Dúin | city | Mayo | Ireland | 54.27 | -10.03 | 275 | 1280 |
| Achadh Ghráinne | city | Leitrim | Ireland | 54.07 | -8.02 | 830 | 1323 |
| Achadh Mhic Giolla Eoin | city | Monaghan | Ireland | 54.39 | -7.05 | 830 | 2723 |
| Achadh Ur | city | Kilkenny | Ireland | 52.73 | -7.40 | 360 | 1863 |
| Achadh an Bhile | city | Offaly | Ireland | 53.20 | -7.32 | 298 | 1502 |
| Achadh an Bhuinneáin | city | Clare | Ireland | 53.10 | -9.06 | 291 | 577 |
| Achadh an Iuir | city | Cavan | Ireland | 53.83 | -7.08 | 380 | 2496 |
| Achadh an tSeagail | city | Cavan | Ireland | 53.79 | -7.06 | 377 | 2150 |
| Achadh na Gréine | city | An Iarmhi | Ireland | 53.50 | -7.82 | 249 | 1683 |
| Achadh na gColpach | city | Leitrim | Ireland | 54.04 | -8.03 | 259 | 1910 |
| Achill | city | Mayo | Ireland | 53.93 | -9.91 | 0 | 698 |
| Achill Sound | city | Mayo | Ireland | 53.93 | -9.94 | 0 | 908 |
| Achonry | city | Sligo | Ireland | 54.08 | -8.67 | 249 | 1282 |
| Aclare | city | Sligo | Ireland | 54.03 | -8.90 | 173 | 853 |
| Acres | city | Mayo | Ireland | 53.79 | -9.07 | 347 | 1595 |