A-League Men is the top professional men's soccer league in Australia. Established in 2004, it features teams from across the country, including well-known clubs like Sydney FC and Melbourne Victory. The league operates on a promotion and relegation system, allowing for competitive play among its member teams. The season typically runs from October to May, culminating in the finals series to determine the champion. A-League Men is known for its growing popularity and has attracted international players and coaches, contributing to the development of soccer in Australia and enhancing the overall quality of the game.