the gwent central league has a long history (founding date uncertain)
it was originally the pontypool & district league, then it became the north east monmouthshire league, before it got its current name in the 70s.
for 2024/25 the league has 2 divisions - div 1 with 10 teams and div 2 with 11 teams.
(see also the earlier usk league)
https://en.wikipedia.org/wiki/Gwent_Central_League
https://www.gwentcentralleague.co.uk/