| Country | United Kingdom (GB) |
| UN/LOCODE | MDZ |
| Name | Middlesex |
| Name Without Diacritics | Middlesex |
| Region | LND |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1301 |
| Timezone | Europe/London |
| Location (UN Format) | 5130N 00025W |
| Latitude Longitude | 51.5, -0.4167 |