The South Australian National Football League (SANFL) is a professional Australian rules football league based in South Australia. Established in 1877, it is one of the oldest football leagues in Australia and features teams from various regions, including Adelaide and Port Adelaide. The league operates as a semi-professional competition, providing a platform for players to showcase their skills. The SANFL consists of several clubs that compete annually for the premiership title. The league has a strong following and plays a significant role in the development of Australian rules football, serving as a feeder system for the Australian Football League (AFL).