| Country | United Kingdom (GB) |
| UN/LOCODE | TDI |
| Name | Tudweiliog |
| Name Without Diacritics | Tudweiliog |
| Function Code | 1------- |
| Function | Port |
| Status Code | RL (Recognised Location) |
| Date | 901 |
| Timezone | Europe/London |
| Location (UN Format) | 5254N 00436W |
| Latitude Longitude | 52.9, -4.6167 |