The Welsh Football League Division Three, (currently the .Nathanielcars.co.uk Welsh League Division Three, for sponsorship reasons) is a football league and forms the fourth level of the Welsh football league system in South Wales. If the team which finishes top of the Division has good enough ground facilities, it is promoted to the Welsh Football League Division Two and is replaced by the team finishing bottom of Division Two. The team finishing in bottom position is relegated to one of the local leagues.