| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Swan | city | Laois | Ireland | 52.8875 | -7.1597222 | 498 | 2898 |
| Swanlinbar | city | An Cabhan | Ireland | 54.1947222 | -7.7044444 | 246 | 2565 |
| Swans Cross Roads | city | County Monaghan | Ireland | 54.1463889 | -7.097222 | 331 | 3434 |
| Swillybrin | city | County Donegal | Ireland | 55.1494444 | -7.9488889 | 108 | 1922 |
| Swineford | city | Maigh Eo | Ireland | 53.95 | -8.95 | 223 | 1810 |
| Swinford | city | Maigh Eo | Ireland | 53.95 | -8.95 | 223 | 1810 |
| Swinn Cross Roads | city | County Carlow | Ireland | 52.695 | -6.8941667 | 416 | 4232 |
| Swords | city | Baile Atha Cliath | Ireland | 53.4597222 | -6.2180556 | 13 | 100269 |
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