| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 臼久保 | city | Kanagawa | Japan | 35.38 | 139.41 | 82 | 522509 |
| 臼井 | city | Niigata | Japan | 37.78 | 139.06 | 3 | 67662 |
| 臼山 | city | Kagoshima | Japan | 31.27 | 130.60 | 252 | 31750 |
| 臼杵 | city | Oita | Japan | 33.12 | 131.80 | 55 | 30938 |
| 臼杵市 | city | Oita | Japan | 33.12 | 131.80 | 55 | 30938 |
| 臼田 | city | Nagano | Japan | 36.20 | 138.48 | 2509 | 40060 |
| 臼石 | city | Fukushima | Japan | 37.70 | 140.70 | 1669 | 4323 |
| 臼谷 | city | Toyama | Japan | 36.62 | 136.82 | 226 | 31431 |