The Nemzeti Bajnokság I/A (English: National Championship I/A, commonly abbreviated NB I/A) is the highest level league of club men's basketball in Hungary. Format The league comprises 14 teams. A NB I/A season is split into a league stage and a playoff/playout stage. At the end of the league stage (14 teams) the top 5 teams play another league stage, another 5 play with each other, and then the top 8 teams qualify for the playoff stage. The playoffs are played in "Best of five" format. The winning team of the final round are the champions of that season. The two bottom teams play with each other in "Best of three" format. The losing team gets relegated.