| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 永井 | city | Gunma | Japan | 36.73 | 138.85 | 2509 | 4025 |
| 永井 | city | Gunma | Japan | 36.59 | 139.07 | 1669 | 16431 |
| 永井 | city | Fukuoka | Japan | 33.59 | 130.81 | 295 | 75772 |
| 永井 | city | Chiba | Japan | 35.38 | 140.30 | 45 | 43800 |
| 永井 | city | Chiba | Japan | 35.37 | 140.07 | 164 | 29418 |
| 永井町 | city | Ishikawa | Japan | 36.29 | 136.27 | 160 | 28264 |