| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ara Bridge | city | Tiobraid Arann | Ireland | 52.4391667 | -8.0366667 | 229 | 2867 |
| Ara North | city | Maigh Eo | Ireland | 53.8541667 | -9.1080556 | 341 | 1807 |
| Araglin | city | Corcaigh | Ireland | 52.2083333 | -8.1161111 | 429 | 4498 |
| Arbatt | city | County Donegal | Ireland | 54.8783333 | -7.9797222 | 498 | 2311 |
| Ard | city | Gaillimh | Ireland | 53.3161111 | -9.8783333 | 0 | 569 |
| Ard Fhearta | city | Ciarrai | Ireland | 52.3333333 | -9.7833333 | 249 | 2140 |
| Ard Fhionain | city | Tiobraid Arann | Ireland | 52.3116667 | -7.875 | 173 | 2887 |
| Ard Fhíonáin | city | Tiobraid Arann | Ireland | 52.3116667 | -7.875 | 173 | 2887 |
| Ard Raithin | city | Gaillimh | Ireland | 53.1575 | -8.8058333 | 88 | 2885 |
| Ard an Ratha | city | County Donegal | Ireland | 54.7644444 | -8.4075 | 150 | 2201 |
| Ard an Rátha | city | County Donegal | Ireland | 54.7644444 | -8.4075 | 150 | 2201 |
| Ardach | city | County Limerick | Ireland | 52.4944444 | -9.0630556 | 255 | 5481 |
| Ardach | city | An Longfort | Ireland | 53.6666667 | -7.7 | 393 | 2538 |
| Ardagh | city | Maigh Eo | Ireland | 54.0977778 | -9.2255556 | 82 | 1796 |
| Ardagh | city | County Limerick | Ireland | 52.4944444 | -9.0630556 | 255 | 5481 |
| Ardagh | city | An Longfort | Ireland | 53.6666667 | -7.7 | 393 | 2538 |
| Ardagh | city | County Donegal | Ireland | 54.9369444 | -7.5347222 | 269 | 2309 |
| Ardagh | city | An Mhi | Ireland | 53.8977778 | -6.7430556 | 278 | 4070 |
| Ardaghy | city | County Monaghan | Ireland | 54.2122222 | -6.9052778 | 511 | 3602 |
| Ardaghy | city | County Louth | Ireland | 54.0838889 | -6.2838889 | 396 | 8091 |
| Ardamore | city | Ciarrai | Ireland | 52.2030556 | -10.3658333 | 72 | 1756 |
| Ardara | city | County Donegal | Ireland | 54.7644444 | -8.4075 | 150 | 2201 |
| Ardarn | city | County Donegal | Ireland | 54.7644444 | -8.4075 | 150 | 2201 |
| Ardattin | city | County Carlow | Ireland | 52.7525 | -6.7038889 | 288 | 4342 |
| Ardcahan Bridge | city | Corcaigh | Ireland | 51.7605556 | -9.0969444 | 410 | 5229 |
| Ardcanaght | city | Ciarrai | Ireland | 52.1638889 | -9.7388889 | 180 | 2423 |
| Ardcath | city | An Mhi | Ireland | 53.6080556 | -6.3913889 | 232 | 25636 |
| Ardcost | city | Ciarrai | Ireland | 51.9044444 | -10.2780556 | 134 | 1938 |
| Ardcrony | city | Tiobraid Arann | Ireland | 52.9322222 | -8.1572222 | 308 | 2836 |
| Ardea | city | Ciarrai | Ireland | 51.8144444 | -9.7577778 | 3 | 1708 |
| Ardea Bridge | city | Ciarrai | Ireland | 51.8266667 | -9.7425 | 3 | 1961 |
| Ardee | city | County Louth | Ireland | 53.8597222 | -6.5405556 | 114 | 9813 |
| Ardeen | city | Corcaigh | Ireland | 51.9366667 | -9.0875 | 495 | 5130 |
| Ardeen | city | Cill Mhantain | Ireland | 52.7536111 | -6.5261111 | 344 | 4573 |
| Ardeevin | city | County Donegal | Ireland | 54.6911111 | -8.0194444 | 262 | 2324 |
| Arderra | city | Cill Chainnigh | Ireland | 52.3111111 | -7.2219444 | 170 | 3443 |
| Arderry | city | County Leitrim | Ireland | 54.044444 | -7.7325 | 249 | 1685 |
| Ardfallen | city | Corcaigh | Ireland | 51.8830556 | -8.4477778 | 118 | 5215 |
| Ardfert | city | Ciarrai | Ireland | 52.3333333 | -9.7833333 | 249 | 2140 |
| Ardfield | city | Corcaigh | Ireland | 51.5666667 | -8.9144444 | 39 | 2492 |
| Ardfinnan | city | Tiobraid Arann | Ireland | 52.3116667 | -7.875 | 173 | 2887 |
| Ardgehane | city | Corcaigh | Ireland | 51.6033333 | -8.8297222 | 0 | 3271 |
| Ardgroom | city | Corcaigh | Ireland | 51.7405556 | -9.8955556 | 196 | 3583 |
| Ardhoom | city | Maigh Eo | Ireland | 53.9341667 | -9.0452778 | 88 | 1807 |
| Ardinode | city | | Ireland | 53.1166667 | -6.6333333 | 534 | 6160 |
| Ardkeeran | city | Sligeach | Ireland | 54.0533333 | -8.5255556 | 246 | 2675 |
| Ardled | city | Laois | Ireland | 52.9797222 | -7.3805556 | 370 | 2780 |
| Ardlona | city | Sligeach | Ireland | 53.9475 | -8.3919444 | 249 | 2207 |
| Ardlougher | city | An Cabhan | Ireland | 54.0619444 | -7.5755556 | 262 | 2387 |
| Ardloy | city | Sligeach | Ireland | 54.1005556 | -8.405 | 249 | 2674 |
| Ardmeen | city | County Donegal | Ireland | 54.9777778 | -8.26 | 459 | 2307 |
| Ardmoneen | city | An Cabhan | Ireland | 54.1105556 | -7.8236111 | 419 | 1845 |
| Ardmore | city | Ciarrai | Ireland | 51.8069444 | -9.9905556 | 242 | 1779 |
| Ardmore | city | Gaillimh | Ireland | 53.3152778 | -9.7691667 | 98 | 1512 |
| Ardmore | city | Port Lairge | Ireland | 51.9491667 | -7.7252778 | 3 | 1633 |
| Ardmore | city | County Donegal | Ireland | 55.0797222 | -7.2775 | 88 | 10496 |
| Ardmore | city | Cill Dara | Ireland | 53.0305556 | -6.965 | 249 | 6905 |
| Ardmorney | city | An Iarmhi | Ireland | 53.3836111 | -7.4666667 | 291 | 3125 |
| Ardnacrusha | city | | Ireland | 52.6833333 | -8.6166667 | 39 | 3819 |
| Ardnacrushy | city | Corcaigh | Ireland | 51.9263889 | -9.091667 | 423 | 5130 |
| Ardnaglass | city | County Donegal | Ireland | 54.8152778 | -7.5497222 | 226 | 2495 |
| Ardnaglass Upper | city | Sligeach | Ireland | 54.3791667 | -8.4811111 | 357 | 2199 |
| Ardnagreevagh | city | Gaillimh | Ireland | 53.6047222 | -10.0102778 | 144 | 994 |
| Ardnaree | city | Maigh Eo | Ireland | 54.1088889 | -9.1511111 | 29 | 1823 |
| Ardnaree | city | County Donegal | Ireland | 55.0591667 | -7.6286111 | 0 | 2058 |
| Ardnasodan | city | Gaillimh | Ireland | 53.4063889 | -8.8130556 | 164 | 2870 |
| Ardogelly | city | Sligeach | Ireland | 54.2533333 | -8.7766667 | 147 | 1180 |
| Ardpatrick | city | County Limerick | Ireland | 52.3422222 | -8.5266667 | 577 | 5489 |
| Ardrah | city | Corcaigh | Ireland | 51.7433333 | -9.3483333 | 495 | 5233 |
| Ardrahan | city | Ciarrai | Ireland | 52.3536111 | -9.7561111 | 206 | 2401 |
| Ardrahan | city | Gaillimh | Ireland | 53.1575 | -8.8058333 | 88 | 2885 |
| Ardranny | city | | Ireland | 53.25 | -8.3 | 249 | 2881 |
| Ards | city | | Ireland | 53.6333333 | -7.8333333 | 252 | 2539 |
| Ards | city | County Donegal | Ireland | 55.0216667 | -7.6833333 | 255 | 2217 |
| Ardsbeg | city | | Ireland | 55.1166667 | -8.15 | 147 | 1979 |
| Ardscull | city | Cill Dara | Ireland | 53.0175 | -6.9091667 | 272 | 7194 |
| Ardskea More | city | Gaillimh | Ireland | 53.4177778 | -8.8461111 | 111 | 2867 |
| Ardskeagh Cross Roads | city | Corcaigh | Ireland | 52.3338889 | -8.6280556 | 505 | 5339 |
| Ardsollus | city | An Clar | Ireland | 52.7975 | -8.8888889 | 29 | 2511 |
| Ardsollus Bridge | city | An Clar | Ireland | 52.7975 | -8.8888889 | 29 | 2511 |
| Ardtully | city | County Louth | Ireland | 53.9947222 | -6.175 | 29 | 4354 |
| Ardvally | city | Maigh Eo | Ireland | 54.1430556 | -9.1152778 | 55 | 2019 |
| Ardvally | city | County Donegal | Ireland | 54.74 | -8.3608333 | 780 | 2321 |
| Ardy | city | | Ireland | 55.1166667 | -7.5166667 | 0 | 1048 |
| Ardywanig | city | Ciarrai | Ireland | 52.1477778 | -9.6627778 | 275 | 2423 |
| Argideen Bridge | city | Corcaigh | Ireland | 51.6611111 | -8.995 | 252 | 5243 |
| Arigna | city | Ros Comain | Ireland | 54.0777778 | -8.1055556 | 259 | 1718 |
| Arigna Bridge | city | Cill Chainnigh | Ireland | 52.7269444 | -7.3711111 | 482 | 3301 |
| Arklow | city | Cill Mhantain | Ireland | 52.7930556 | -6.1413889 | 0 | 3236 |
| Arless | city | | Ireland | 52.9 | -7.0333333 | 439 | 2795 |
| Armhach | city | An Cabhan | Ireland | 53.9166667 | -7.5833333 | 242 | 2345 |
| Arnagragh | city | | Ireland | 52.2166667 | -9.3833333 | 472 | 2419 |
| Arragh More | city | Tiobraid Arann | Ireland | 53.0558333 | -8.0305556 | 249 | 2827 |
| Arryheernabin | city | County Donegal | Ireland | 55.27 | -7.6405556 | 239 | 818 |
| Artane | city | Baile Atha Cliath | Ireland | 53.3825 | -6.2025 | 3 | 84645 |
| Arthurstown | city | Loch Garman | Ireland | 52.2405556 | -6.9563889 | 0 | 2962 |
| Arthurstown | city | Cill Dara | Ireland | 53.2319444 | -6.5733333 | 495 | 13039 |
| Arva | city | An Cabhan | Ireland | 53.9166667 | -7.5833333 | 242 | 2345 |
| Arvagh | city | An Cabhan | Ireland | 53.9166667 | -7.5833333 | 242 | 2345 |
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