| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Йегенсторф | city | Bern | Switzerland | 47.05 | 7.51 | 1686 | 23201 |
| Йона | city | Sankt Gallen | Switzerland | 47.23 | 8.84 | 1669 | 56678 |
| Йонен | city | Aargau | Switzerland | 47.30 | 8.39 | 1669 | 31341 |
| Йоншвиль | city | Sankt Gallen | Switzerland | 47.42 | 9.09 | 2509 | 37826 |