| Country | France (FR) |
| UN/LOCODE | DEG |
| Name | Castelnau-de-Guers |
| Name Without Diacritics | Castelnau-de-Guers |
| Region | 34 |
| Function Code | --3--6-- |
| Function | Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4326N 00326E |
| Latitude Longitude | 43.435, 3.4379 |