The 2021–22 Ardal SE season (also known as the 2021–22 Floodlighting and Electrical Services Ardal SE season for sponsorship reasons) was the first season of the new third-tier southern region football in Welsh football pyramid, part of the Ardal Leagues, after the cancellation of the previous season due to the COVID-19 pandemic in Wales.
[1] The league was made up of 16 teams competing for one automatic promotion place to Cymru South, whilst the second-placed team qualified for a play-off with the second-placed team of Ardal SW. Three teams were relegated to Tier 4.
Source: Ardal SE Ground Information