The Asian Football Confederation (AFC) includes all countries within the Asian territory as members, except Armenia, Azerbaijan, Chagos Islands, Christmas Island, Cocos Islands, Cyprus, Egypt, Georgia, Israel, Kazakhstan, Russia and Turkey, as most of them are affiliated with another confederation, or none at all.
The AFC also includes as members the Oceanian countries of Australia, Guam, and the Northern Mariana Islands.
Each of the AFC member countries has their own football league systems.
Due to promotion and relegation, the clubs playing in the top-level league are usually different every season.
In particular, the Australian A-League includes a team from New Zealand, whose national federation is a member of the Oceania Football Confederation.