| Code | NA350 |
| Place Entry | Cwm-bach/Aberdare/Glamorgan/Wales |
| Notes | Council - Rhondda-Cynon-Taff. Previously Aberdare UDC
Parish - Aberdare
Miskin Hundred
St. Mary Magdalene's |
| Place Name | Cwm-bach |
| Area2 | Aberdare |
| Area4 | Glamorgan |
| Area5 | Wales |
| Grid Ref | SO0201 |
| Notes | Council - Rhondda-Cynon-Taff. Previously Aberdare UDC
Parish - Aberdare
Miskin Hundred
St. Mary Magdalene's |
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