This was the first season played with new rules about foreign players; all teams were allowed to have no more than four foreign players on their roster.
Location of teams in the 2011–12 Dutch Basketball League
The league started with 8 teams in the 2011-12 season. WCAA Giants and ABC Amsterdam, quarterfinalist last year, didn't return because the clubs went bankrupt.
The two group winners from the second stage advanced to the playoffs. The semifinals were played in a best-of-five format, while the finals were played in a best-of-seven format. Home advantage was decided by the regulars season seeds of the teams. The home team in each series alternated each game.