| Country | France (FR) |
| UN/LOCODE | JYJ |
| Name | Jouy-en-Josas |
| Name Without Diacritics | Jouy-en-Josas |
| Region | 78 |
| Function Code | -23----- |
| Function | Rail, Road |
| Status Code | RL (Recognised Location) |
| Date | 601 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4846N 00210E |
| Latitude Longitude | 48.7591, 2.1697 |