| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Glack | city | Meath | Ireland | 53.51 | -6.98 | 269 | 1934 |
| Glackaunadarra | city | Leitrim | Ireland | 54.12 | -8.17 | 830 | 735 |
| Glackaunadarragh | city | Leitrim | Ireland | 54.12 | -8.17 | 830 | 735 |
| Glackbaun | city | Sligo | Ireland | 54.31 | -8.39 | 843 | 1880 |
| Glacknabrade | city | Donegal | Ireland | 55.31 | -7.28 | 249 | 2076 |
| Glacknagloghraha | city | Mayo | Ireland | 54.00 | -10.19 | 1151 | 312 |
| Glacán na Darach | city | Leitrim | Ireland | 54.12 | -8.17 | 830 | 735 |
| Gladree | city | Mayo | Ireland | 54.26 | -10.06 | 232 | 712 |
| Glaise na Caillí | city | Galway | Ireland | 53.28 | -9.60 | 3 | 2435 |
| Glan | city | Cork | Ireland | 51.55 | -9.59 | 278 | 1404 |
| Glan Cross Roads | city | Cork | Ireland | 51.81 | -9.05 | 830 | 1097 |
| Glan Cross Roads | city | Leitrim | Ireland | 53.95 | -7.66 | 239 | 1432 |
| Glanalin | city | Cork | Ireland | 51.60 | -9.73 | 380 | 230 |
| Glananea | city | An Iarmhi | Ireland | 53.64 | -7.18 | 416 | 1402 |
| Glanaphuca Bridge | city | Cork | Ireland | 51.62 | -9.36 | 393 | 1106 |
| Glanawaddra | city | Kerry | Ireland | 52.20 | -9.30 | 935 | 903 |
| Glanawillin | city | Kerry | Ireland | 52.56 | -9.57 | 164 | 1018 |
| Glanballima | city | Kerry | Ireland | 52.36 | -9.61 | 249 | 1961 |
| Glanbannoo Upper | city | Cork | Ireland | 51.71 | -9.37 | 830 | 1080 |
| Glanbeg | city | Kerry | Ireland | 51.85 | -10.07 | 830 | 465 |
| Glanbeny Bridge | city | Kerry | Ireland | 52.04 | -9.95 | 830 | 902 |
| Glandart | city | Cork | Ireland | 51.70 | -9.35 | 889 | 1077 |
| Glandine | city | Cork | Ireland | 52.04 | -8.76 | 954 | 1259 |
| Glandore | city | Cork | Ireland | 51.57 | -9.12 | 295 | 1994 |
| Glandore Bridge | city | Cork | Ireland | 51.57 | -9.14 | 252 | 2029 |
| Glane Great | city | Meath | Ireland | 53.53 | -6.63 | 308 | 2750 |
| Glanearagh | city | Kerry | Ireland | 51.85 | -10.39 | 114 | 468 |
| Glanfahan | city | Kerry | Ireland | 52.10 | -10.43 | 0 | 587 |
| Glangavlen | city | Cavan | Ireland | 54.19 | -7.89 | 830 | 544 |
| Glangevlin | city | Cavan | Ireland | 54.19 | -7.89 | 830 | 544 |
| Glangristeen | city | Kerry | Ireland | 52.09 | -9.25 | 830 | 2128 |
| Glanlarehan | city | Kerry | Ireland | 52.24 | -9.39 | 364 | 1945 |
| Glanleam | city | Kerry | Ireland | 51.92 | -10.32 | 272 | 816 |
| Glanlough | city | Kerry | Ireland | 51.88 | -9.44 | 830 | 463 |
| Glanlough | city | Kerry | Ireland | 51.80 | -9.99 | 157 | 214 |
| Glanlough | city | Kerry | Ireland | 52.21 | -9.98 | 830 | 795 |
| Glanmire | city | Cork | Ireland | 51.92 | -8.40 | 91 | 46220 |
| Glanmore Bridge | city | Kerry | Ireland | 51.73 | -9.78 | 380 | 421 |
| Glannagaul | city | Cork | Ireland | 52.08 | -8.37 | 830 | 1338 |
| Glannaharee | city | Cork | Ireland | 52.05 | -8.81 | 997 | 1103 |
| Glannalappa East | city | Kerry | Ireland | 52.51 | -9.33 | 830 | 1876 |
| Glannan | city | Monaghan | Ireland | 54.33 | -6.92 | 213 | 3293 |
| Glanoe | city | Kerry | Ireland | 52.37 | -9.56 | 830 | 1365 |
| Glanroon | city | Cork | Ireland | 51.59 | -9.75 | 387 | 188 |
| Glantane | city | Cork | Ireland | 52.10 | -8.75 | 830 | 1684 |
| Glantane | city | Cork | Ireland | 52.00 | -9.06 | 830 | 1446 |
| Glanworth | city | Cork | Ireland | 52.19 | -8.36 | 144 | 1972 |
| Glas Naíon | city | Dublin | Ireland | 53.38 | -6.26 | 19 | 280614 |
| Glasacken | city | Wexford | Ireland | 52.63 | -6.67 | 360 | 3137 |
| Glasdair | city | Offaly | Ireland | 53.14 | -7.99 | 193 | 2522 |
| Glasdair Mhic Uallacháin | city | Offaly | Ireland | 53.14 | -7.97 | 203 | 2177 |
| Glasha Cross Roads | city | Laois | Ireland | 52.83 | -7.59 | 830 | 2298 |
| Glashabeg | city | Kerry | Ireland | 52.21 | -10.38 | 0 | 675 |
| Glashaboy East | city | Cork | Ireland | 52.03 | -8.51 | 830 | 1703 |
| Glashaboy North | city | Cork | Ireland | 52.04 | -8.54 | 830 | 1318 |
| Glashagal Bridge | city | Kilkenny | Ireland | 52.82 | -7.33 | 337 | 2520 |
| Glashagh | city | Donegal | Ireland | 54.85 | -8.03 | 830 | 586 |
| Glashanailor Bridge | city | Ireland | 52.59 | -8.19 | 396 | 1893 | |
| Glashananinnaun Bridge | city | Kerry | Ireland | 51.76 | -9.86 | 111 | 445 |
| Glashananoon | city | Kerry | Ireland | 52.36 | -9.45 | 830 | 923 |
| Glashapullagh | city | Ireland | 52.50 | -9.28 | 830 | 1673 | |
| Glashaunrana Bridge | city | Kerry | Ireland | 52.45 | -9.33 | 403 | 1765 |
| Glashbeg | city | Kerry | Ireland | 52.21 | -10.38 | 0 | 675 |
| Glasheenanargid | city | Cork | Ireland | 52.25 | -9.15 | 1000 | 826 |
| Glashnacally | city | Galway | Ireland | 53.28 | -9.60 | 3 | 2435 |
| Glasleck | city | Cavan | Ireland | 53.97 | -6.93 | 830 | 2679 |
| Glasloch | city | Monaghan | Ireland | 54.32 | -6.89 | 213 | 3304 |
| Glaslough | city | Monaghan | Ireland | 54.32 | -6.89 | 213 | 3304 |
| Glasmullan | city | Donegal | Ireland | 55.21 | -7.41 | 830 | 1851 |
| Glasnagh | city | Donegal | Ireland | 55.26 | -7.67 | 219 | 716 |
| Glasnarget | city | Wicklow | Ireland | 52.94 | -6.22 | 830 | 3019 |
| Glasnevin | city | Dublin | Ireland | 53.38 | -6.26 | 19 | 280614 |
| Glassan | city | An Iarmhi | Ireland | 53.47 | -7.87 | 830 | 3872 |
| Glasshouse | city | Offaly | Ireland | 53.24 | -7.62 | 249 | 1712 |
| Glassillaun | city | Mayo | Ireland | 53.89 | -9.92 | 209 | 551 |
| Glasslough | city | Monaghan | Ireland | 54.32 | -6.89 | 213 | 3304 |
| Glasson | city | An Iarmhi | Ireland | 53.47 | -7.87 | 830 | 3872 |
| Glasstown | city | Cavan | Ireland | 54.04 | -7.51 | 314 | 1740 |
| Glaster | city | Offaly | Ireland | 53.14 | -7.99 | 193 | 2522 |
| Glasán | city | An Iarmhi | Ireland | 53.47 | -7.87 | 830 | 3872 |