Liga 1 is the top professional football league in Indonesia. Established in 2017, it features clubs from across the country competing for the championship title. The league operates on a promotion and relegation system with Liga 2, the second tier of Indonesian football. The season typically runs from March to December, with each team playing home and away matches. Persija Jakarta, Arema FC, and Bali United are among the prominent clubs in Liga 1, attracting large fan bases and contributing to the growing popularity of football in Indonesia.