Mid Glamorgan
Constituencies
| Constituency |
|---|
| Bridgend (1983) |
| Caerphilly (1918) |
| Cynon Valley (1983 - 2024) |
| Merthyr Tydfil and Rhymney (1983 - 2024) |
| Ogmore (1918 - 2024) |
| Pontypridd (1918) |
| Rhondda (1974 - 2024) |
| Constituency |
|---|
| Bridgend (1983) |
| Caerphilly (1918) |
| Cynon Valley (1983 - 2024) |
| Merthyr Tydfil and Rhymney (1983 - 2024) |
| Ogmore (1918 - 2024) |
| Pontypridd (1918) |
| Rhondda (1974 - 2024) |