| Country | France (FR) |
| UN/LOCODE | SYS |
| Name | Seyssins |
| Name Without Diacritics | Seyssins |
| Region | 38 |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4509N 00541E |
| Latitude Longitude | 45.1622, 5.6867 |