| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 井ノ下 | city | Gunma | Japan | 36.37 | 138.90 | 830 | 58901 |
| 井ノ内 | city | Kyoto | Japan | 34.94 | 135.69 | 187 | 401275 |
| 井ノ口 | city | Kanagawa | Japan | 35.34 | 139.24 | 314 | 201947 |
| 井ノ口町 | city | Kumamoto | Japan | 32.25 | 130.75 | 830 | 5872 |
| 井ノ草 | city | Hyogo | Japan | 34.95 | 135.18 | 830 | 66060 |
| 井ノ貝戸 | city | Chiba | Japan | 35.09 | 140.07 | 98 | 19704 |