| Country | United Kingdom (GB) |
| UN/LOCODE | MDX |
| Name | Madley |
| Name Without Diacritics | Madley |
| Region | HEF |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1407 |
| Timezone | Europe/London |
| Location (UN Format) | 5202N 00251W |
| Latitude Longitude | 52.0455, -2.8509 |