Port Adelaide Football Club is a professional Australian rules football club based in Alberton, Port Adelaide, South Australia. The club's senior team plays in the Australian Football League (AFL), whilst its reserves team competes in the South Australian National Football League (SANFL). Port Adelaide is the oldest professional sporting club in South Australia and the fifth-oldest club in the AFL. Since the club's first game on 24 May 1870, the club has won 36 South Australian league premierships, including six in a row. The club also won the Champions of Australia competition on a record four occasions. After successfully wining an AFL licence in 1994 the club began competing in the Australian Football League in 1997 as the only pre-existing non-Victorian club—and has subsequently added the 2004 AFL premiership to its achievements.