| Code | NA1453 |
| Place Entry | Ynys-towlog/Llangyfelach/Glamorgan/Wales |
| Notes | Alternative spelling: Ynys-tawelog |
| Place Name | Ynys-towlog |
| Area2 | Llangyfelach |
| Area4 | Glamorgan |
| Area5 | Wales |
| Grid Ref | SN6209 |
| Notes | Alternative spelling: Ynys-tawelog |
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