| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jielekčiai | city | Kauno Apskritis | Lithuania | 54.58 | 23.10 | 291 | 1788 |
| Jiesia | city | Kauno Miestas | Lithuania | 54.86 | 23.93 | 187 | 136139 |
| Jiestrakis | city | Prienai | Lithuania | 54.63 | 23.70 | 830 | 1788 |
| Jiezna | city | Prienai | Lithuania | 54.60 | 24.18 | 364 | 3363 |
| Jieznas | city | Prienai | Lithuania | 54.60 | 24.18 | 364 | 3363 |
| Jiezno Kolonijos | city | Prienai | Lithuania | 54.61 | 24.17 | 406 | 3393 |