| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 久保 | city | Iwate | Japan | 39.50 | 141.10 | 830 | 17247 |
| 久保 | city | Iwate | Japan | 38.95 | 141.69 | 36 | 1091 |
| 久保田 | city | Iwate | Japan | 40.22 | 141.12 | 1174 | 3630 |
| 久慈市 | city | Iwate | Japan | 40.19 | 141.77 | 32 | 10035 |
| 久瀬沢 | city | Iwate | Japan | 40.31 | 141.25 | 830 | 11595 |