The A-League is made up of 10 teams from across Australia and New Zealand. Three other teams have played during the 12 seasons of the A-League before leaving.
Current A-League teams:
Adelaide United: One of the founding teams when the A-League launched in 2005, the Reds finished top of the ladder in the inaugural season. They also won the minor premiership again in 2015/16, the year in which they would finally win their first Grand Final.
Brisbane Roar: The Roar are one of the A-League's most successful clubs having won three premierships. Originally known as Queensland Roar, Brisbane won back-to-back Grand Finals in 2011 and 2012 before claiming their third premiership in 2014.
Central Coast Mariners: Another of the founding members, Central Coast Mariners were crowned A-League Premiers in 2014 - the only time they have been champions. The Gosford-based side had lost on three previous Grand Final appearances in 2006, 2008 and 2011.
Melbourne City: Joined the A-League in 2010 as Melbourne Heart before being renamed Melbourne City in 2015. Part of the City Football Group which owns Manchester City and New York City, the Melbourne team have yet to feature in an A-League Grand Final.
Melbourne Victory: Along with Brisbane Roar, Victory are the most successful team in A-League history with three premierships. They won the title in 2007, 2009 and 2015, having also won the minor premiership in the same seasons and have been ever presents in the A-League.
Newcastle Jets: The Jets are another of the teams to have been in the A-League from the outset. Newcastle have appeared in just one Grand Final, but made it count when beating rivals Central Coast Mariners in 2008.
Sydney FC: Sydney FC created history as the inaugural A-League champions in 2006 and the Sky Blues also won the flag for a second time in 2010. They have also appeared in one other Grand Final, losing to Melbourne Victory in 2015.
Perth Glory: An ever-present throughout the A-League history, Perth are still in search of their first-ever premiership success. They have appeared in just one Grand Final when losing to Brisbane Roar in 2012.
Wellington Phoenix: The only New Zealand team in the A-League, Phoenix joined the league in 2007 when they replaced New Zealand Knights. The team from Wellington have yet to feature in an A-League Grand Final.
Western Sydney Wanderers: The A-League's newest team having made their debut in 2012, Wanderers have played in three Grand Finals in their four seasons in the league - but have lost on each occasions. Western Sydney did, however, become the first Australian team to win the AFC Champions League in 2014.
Gold Coast United, New Zealand Knights, North Queensland Fury.