| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jamsjtsjina | city | Mordoviya | Russia | 53.96 | 44.25 | 830 | 1325 |
| Janguzjinskij Majdan | city | Mordoviya | Russia | 53.82 | 44.01 | 830 | 448 |
| Jefajevo | city | Mordoviya | Russia | 54.30 | 43.77 | 830 | 1886 |
| Jengalytsjevo | city | Mordoviya | Russia | 54.32 | 46.36 | 830 | 1937 |