| Country | United Kingdom (GB) |
| UN/LOCODE | GGD |
| Name | Great Gaddesden |
| Name Without Diacritics | Great Gaddesden |
| Region | HRT |
| Function Code | -----6-- |
| Function | Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 1107 |
| Timezone | Europe/London |
| Location (UN Format) | 5147N 00030W |
| Latitude Longitude | 51.7914, -0.5051 |