| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ryogoku | city | Chiba-ken | Japan | 35.7166667 | 140.3666667 | 134 | 139668 |
| Ryugudai | city | Chiba-ken | Japan | 35.4 | 140.3833333 | 3 | 78324 |
| Ryōgoku | city | Chiba-ken | Japan | 35.7166667 | 140.3666667 | 134 | 139668 |
| Ryūgūdai | city | Chiba-ken | Japan | 35.4 | 140.3833333 | 3 | 78324 |
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