| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Galdonagh | city | County Donegal | Ireland | 54.9430556 | -7.5719444 | 305 | 2246 |
| Gaoth Dobhair | city | County Donegal | Ireland | 55.0502778 | -8.2319444 | 160 | 2301 |
| Garrygort | city | County Donegal | Ireland | 55.1013889 | -7.6727778 | 465 | 2008 |
| Garrynabullogy | city | County Donegal | Ireland | 55.1605556 | -7.4719444 | 121 | 1453 |
| Garvagh | city | County Donegal | Ireland | 54.7075 | -8.0266667 | 400 | 2324 |
| Gay Town | city | County Donegal | Ireland | 55.1063889 | -8.1358333 | 275 | 1979 |
| Glacknabrade | city | County Donegal | Ireland | 55.3147222 | -7.2766667 | 249 | 1874 |
| Glashagh | city | County Donegal | Ireland | 54.8541667 | -8.0308333 | 557 | 2314 |
| Glasmullan | city | County Donegal | Ireland | 55.2144444 | -7.4122222 | 492 | 2256 |
| Glasnagh | city | County Donegal | Ireland | 55.26 | -7.6686111 | 219 | 882 |
| Gleann Cholm Cille | city | County Donegal | Ireland | 54.7 | -8.7166667 | 889 | 1655 |
| Gleann Domhain | city | County Donegal | Ireland | 54.9694444 | -7.9583333 | 495 | 2307 |
| Glen | city | County Donegal | Ireland | 55.1255556 | -7.8113889 | 419 | 1893 |
| Glen | city | County Donegal | Ireland | 55.0491667 | -7.6705556 | 121 | 2208 |
| Glencarn | city | County Donegal | Ireland | 55.0441667 | -7.6566667 | 85 | 2058 |
| Glencaw | city | County Donegal | Ireland | 55.1505556 | -7.2025 | 429 | 1509 |
| Glencolumbkille | city | County Donegal | Ireland | 54.7 | -8.7166667 | 889 | 1655 |
| Glendooskert | city | County Donegal | Ireland | 55.3336111 | -7.1825 | 9 | 726 |
| Glendorragha | city | County Donegal | Ireland | 54.7808333 | -8.5155556 | 3 | 1583 |
| Glendowan | city | County Donegal | Ireland | 54.9694444 | -7.9583333 | 495 | 2307 |
| Gleneely | city | County Donegal | Ireland | 54.7666667 | -7.6833333 | 436 | 2510 |
| Glengesh | city | County Donegal | Ireland | 54.7408333 | -8.4469444 | 574 | 2155 |
| Glenkeo | city | County Donegal | Ireland | 55.1569444 | -7.8047222 | 183 | 1893 |
| Glenmaquin | city | County Donegal | Ireland | 54.9055556 | -7.6661111 | 344 | 2309 |
| Glenmore Bridge | city | County Donegal | Ireland | 54.5572222 | -7.8966667 | 393 | 2138 |
| Glenoughty | city | County Donegal | Ireland | 54.9213889 | -7.7419444 | 475 | 2310 |
| Glenree | city | County Donegal | Ireland | 55.1527778 | -7.8263889 | 65 | 1893 |
| Glensmill | city | County Donegal | Ireland | 54.9694444 | -7.5302778 | 406 | 2119 |
| Glenties | city | County Donegal | Ireland | 54.7975 | -8.2825 | 285 | 2315 |
| Glentogher | city | County Donegal | Ireland | 55.2102778 | -7.2588889 | 511 | 2180 |
| Glenvar | city | County Donegal | Ireland | 55.1561111 | -7.5991667 | 354 | 1940 |
| Glinsk | city | County Donegal | Ireland | 55.2086111 | -7.7819444 | 164 | 1115 |
| Gort an Choirce | city | County Donegal | Ireland | 55.1166667 | -8.1333333 | 239 | 1979 |
| Gortahork | city | County Donegal | Ireland | 55.1166667 | -8.1333333 | 239 | 1979 |
| Gortahork | city | County Donegal | Ireland | 54.7588889 | -7.7505556 | 511 | 2393 |
| Gortaway | city | County Donegal | Ireland | 55.0341667 | -7.5883333 | 19 | 1532 |
| Gortin | city | County Donegal | Ireland | 54.8580556 | -7.5238889 | 22 | 2479 |
| Gortlee | city | County Donegal | Ireland | 54.955 | -7.7255556 | 167 | 2310 |
| Gortlush | city | County Donegal | Ireland | 54.9966667 | -7.4608333 | 291 | 2300 |
| Gortnabrade | city | County Donegal | Ireland | 55.1644444 | -7.7725 | 275 | 2076 |
| Gortnalughoge | city | County Donegal | Ireland | 55.2341667 | -7.7952778 | 0 | 914 |
| Gortree | city | County Donegal | Ireland | 54.9766667 | -7.5269444 | 377 | 2119 |
| Graffy | city | County Donegal | Ireland | 54.8119444 | -8.1688889 | 511 | 2315 |
| Graffy | city | County Donegal | Ireland | 54.7727778 | -7.5644444 | 265 | 2873 |
| Greenan Bridge | city | County Donegal | Ireland | 54.7247222 | -8.0408333 | 216 | 2321 |
| Gweedore | city | County Donegal | Ireland | 55.0502778 | -8.2319444 | 160 | 2301 |
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