The West Australian Football League (WAFL) is an Australian rules football league based in Perth, Western Australia. The WAFL is the third-most popular league in the nation, behind the nationwide Australian Football League (AFL) and South Australian National Football League (SANFL). The league currently consists of ten teams, which play each other in a 20-round season usually lasting from March to September, with the top five teams playing off in a finals series, culminating in a Grand Final. The league also runs reserves, colts (under-19) and women's competitions.