| Code | NA1442 |
| Place Entry | Ynysdyfnant/Llantwit-juxta-Neath/Glamorgan/Wales |
| Notes | Mansion Alternative spellingL Ynys-dwfnant |
| Place Name | Ynysdyfnant |
| Area2 | Llantwit-juxta-Neath |
| Area4 | Glamorgan |
| Area5 | Wales |
| Grid Ref | SN8001 |
| Notes | Mansion Alternative spellingL Ynys-dwfnant |
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