| Club | Stadium | City | Capacity |
|---|---|---|---|
| Llanelli Town | Stebonheath Park | Llanelli25,359 people | 3,700 |
| Carmarthen Town | Richmond Park, Carmarthen | Carmarthen14,638 people | 3,000 |
| Capacity not recorded yet | |||
| Afan Lido | – | ||
| Ammanford AFC | Ammanford Recreation Ground | Ammanford8,610 people | – |
| Briton Ferry Llansawel | Ebenezer | Briton Ferry5,878 people | – |
| Cambrian & Clydach | The M&P 3G Stadium | Clydach Vale2,799 people | – |
| Cwmbran Celtic | – | ||
| Goytre United | – | ||
| Llantwit Major | Windmill Ground | Llantwit Major9,519 people | – |
| Pontypridd Town | USW Sports Park | Treforest5,050 people | – |
| Port Talbot Town | Port Talbot37,276 people | – | |
| Risca United | – | ||
| Swansea University | Sketty Lane | Swansea246,700 people | – |
| Taff's Well | – | ||
| Trefelin | Ynys Park | Cwmafan5,673 people | – |
| Undy Athletic | Magor with Undy | – | |
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources