| Code | NA1366 |
| Place Entry | Tyn-y-garn/Newcastle/Glamorgan/Wales |
| Notes | Hundred of Newcastle
Penybont Rural District Council 1894-1974
Mid Glamorgan County Council & Ogwr Borough Council 1974-1996
Bridgend County Borough Council 1996- |
| Place Name | Tyn-y-garn |
| Area2 | Newcastle |
| Area4 | Glamorgan |
| Area5 | Wales |
| Grid Ref | SS8982 |
| Notes | Hundred of Newcastle
Penybont Rural District Council 1894-1974
Mid Glamorgan County Council & Ogwr Borough Council 1974-1996
Bridgend County Borough Council 1996- |
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