| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Garran Cross Roads | city | County Monaghan | Ireland | 54.1716667 | -7.0672222 | 505 | 3483 |
| Garrybane | city | County Monaghan | Ireland | 54.0669444 | -6.9319444 | 498 | 3262 |
| Glannan | city | County Monaghan | Ireland | 54.3266667 | -6.9158333 | 213 | 4155 |
| Glasloch | city | County Monaghan | Ireland | 54.3186111 | -6.895 | 213 | 4155 |
| Glaslough | city | County Monaghan | Ireland | 54.3186111 | -6.895 | 213 | 4155 |
| Glasslough | city | County Monaghan | Ireland | 54.3186111 | -6.895 | 213 | 4155 |
| Glen | city | County Monaghan | Ireland | 54.1166667 | -7.1238889 | 249 | 3106 |
| Glenbrook | city | County Monaghan | Ireland | 54.1797222 | -7.1258333 | 282 | 3415 |
| Glencorick | city | County Monaghan | Ireland | 54.1230556 | -7.0305556 | 367 | 3200 |
| Glennan | city | County Monaghan | Ireland | 54.3266667 | -6.9158333 | 213 | 4155 |
| Greaghlatacapple | city | County Monaghan | Ireland | 54.0102778 | -6.8202778 | 498 | 3482 |
| Greenan's Cross Roads | city | County Monaghan | Ireland | 54.1925 | -7.0769444 | 498 | 3483 |
| Greenanʼs Cross Roads | city | County Monaghan | Ireland | 54.1925 | -7.0769444 | 498 | 3483 |
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