| Country | France (FR) |
| UN/LOCODE | SY8 |
| Name | Saint-Arnoult-en-Yvelines |
| Name Without Diacritics | Saint-Arnoult-en-Yvelines |
| Region | 78 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4834N 00156E |
| Latitude Longitude | 48.5711, 1.9395 |