The OTP Bank Liga is the top professional football league in Hungary. Established in 1901, it features the country's best teams competing for the championship title. The league operates on a system of promotion and relegation with the Nemzeti Bajnokság II, the second tier of Hungarian football. The league is named after its main sponsor, OTP Bank, a major financial institution in Hungary. Each season, teams play a series of matches, and the club with the most points at the end is crowned the champion. The league is known for its passionate fan base and competitive spirit.