The Nemzeti Bajnokság I., the National Championship, or short the NBI, currently named after thea sponsor Soproni Liga, is the highest level of professional football in Hungary since its inception in 1901. UEFA currently ranks the league 24th in Europe.[1]

Sixteen teams compete in the league, playing each other twice, once at home and once away. At the end of the season, the top team enters the qualification for the UEFA Champions League , while the runner-up, together with the winner of the Hungarian Cup) enters the UEFA Cup qualification round. The bottom two clubs are relegated to NB2, the second-level league, to be replaced by the winners of NB2-Nyugati csoport (West) and NB2-Keleti csoport (East).