2023–24 Ardal SW
The 2023-24 Ardal SW season was the third season of the new third-tier southern region football in Welsh football pyramid, part of the Ardal Leagues.
The winners were promoted to the 2024–25 Cymru South. The runners-up qualified for the Ardal Southern play-off, losing and remaining in the league. The bottom three teams were relegated to Tier 4.
Teams
The league was made up of sixteen teams; ten teams remaining from the previous season, four teams promoted from Tier 4, and two teams relegated from the 2022–23 Cymru South.The teams promoted from Tier 4 were Cardiff Corinthians and Canton from the South Wales Alliance League Premier Division, and South Gower and Morriston Town from the West Wales Premier League. The teams relegated from the Cymru South were Swansea University and Ynyshir Albions ). Since no team was relegated to the Ardal SE from the 2022–23 Cymru South, Treharris Athletic Western were transferred from the Ardal SW.
Stadia and locations
| Team | Location | Home Ground | Capacity |
| AFC Llwydcoed | Llwydcoed | Welfare Ground | 1,000 |
| Canton Liberal | Canton | Lawrenny Avenue | |
| Cardiff Corinthians | Cardiff | The Riverside Ground | |
| Cardiff Draconians | Cardiff | Lydstep Park | 1,000 |
| Cefn Cribwr | Clydach Vale | King George V New Field | 900 |
| Morriston Town | Morriston | The Dingle Field | |
| Mumbles Rangers | Swansea | Sketty Lane | 1,500 |
| Penrhiwceiber Rangers | Penrhiwceiber | Glasbrook Field | 1,000 |
| Penydarren BGC | Penydarren | The Bont Playing Fields | 1,000 |
| Pontyclun | Pontyclun | Ivor Park | 1,000 |
| Port Talbot Town | Port Talbot | Victoria Road | 6,000 |
| Seven Sisters Onllwyn | Neath | Welfare Ground | 500 |
| South Gower | Scurlage | South Gower Sports Club | |
| Swansea University | Swansea | Sketty Lane | 1,000 |
| Ynyshir Albions | Ynyshir | The Oval | 250 |
| Ynysygerwn | Llandarcy | Llandarcy Academy of Sport | 1,000 |
Source:
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