| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 古子 | city | Saga | Japan | 33.24 | 129.86 | 830 | 33676 |
| 古子坊 | city | Hebei | China | 40.77 | 116.18 | 2509 | 12362 |
| 古子坑 | city | Guangdong | China | 23.29 | 115.00 | 830 | 12069 |
| 古子墩 | city | Guangdong | China | 24.79 | 113.76 | 328 | 8493 |
| 古子山 | city | Shandong | China | 35.97 | 117.71 | 935 | 69581 |
| 古子石 | city | Guangdong | China | 24.22 | 115.66 | 337 | 43271 |