| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 岩川 | city | Chiba | Japan | 35.43 | 140.25 | 62 | 58152 |
| 岩川 | city | Chiba | Japan | 35.42 | 140.24 | 65 | 43242 |
| 岩川上 | city | Chiba | Japan | 35.42 | 140.24 | 65 | 43242 |
| 岩川下 | city | Chiba | Japan | 35.43 | 140.24 | 65 | 52019 |
| 岩川内 | city | Kumamoto | Japan | 32.28 | 130.92 | 830 | 13990 |