| Country | United Kingdom (GB) |
| UN/LOCODE | CNV |
| Name | Caernarfon |
| Name Without Diacritics | Caernarfon |
| Region | GWN |
| Function Code | 1------- |
| Function | Port |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 201 |
| Timezone | Europe/London |
| Latitude Longitude | 53.1403, -4.2615 |