| Country | United Kingdom (GB) |
| UN/LOCODE | YNY |
| Name | Ynyswen |
| Name Without Diacritics | Ynyswen |
| Region | POW |
| Function Code | --3----- |
| Function | Road |
| Status Code | RL (Recognised Location) |
| Date | 1301 |
| Timezone | Europe/London |
| Location (UN Format) | 5148N 00341W |
| Latitude Longitude | 51.6665, -3.5124 |