Brecon (Brecknockshire)
| District | Successor |
|---|---|
| Brecknock Rural District | Brecknock |
| Brecon Borough | Brecknock |
| Brynmawr Urban District | Blaenau Gwent |
| Builth Wells Rural District | Brecknock |
| Builth Wells Urban District | Brecknock |
| Crickhowell Rural District | Blaenau Gwent, Brecknock |
| Hay Rural District | Brecknock |
| Hay Urban District | Brecknock |
| Llanwrtyd Wells Urban District | Brecknock |
| Vaynor and Penderyn Rural District | Merthyr Tydfil, Brecknock, Cynon Valley |
| Ystradgynlais Rural District | Brecknock |
Read more about this topic: List Of Rural And Urban Districts In Wales In 1973