| Country | Japan (JP) |
| UN/LOCODE | NGA |
| Name | Nagareyama, Chiba |
| Name Without Diacritics | Nagareyama, Chiba |
| Region | 12 |
| Function Code | 1----6-- |
| Function | Port, Multi-use Location |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 1501 |
| Location (UN Format) | 3551N 13954E |