| Country | Netherlands (NL) |
| UN/LOCODE | GFN |
| Name | Geffen |
| Name Without Diacritics | Geffen |
| Region | NB |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 307 |
| Timezone | Europe/Amsterdam |
| Location (UN Format) | 5144N 00528E |
| Latitude Longitude | 51.74, 5.4639 |