In this season participating clubs from Serbia, Montenegro, Bosnia and Herzegovina, Bulgaria and Slovenia.

[1] Vojvodina 021 informed the Board of the WABA League 23 february 2021 that due to obligations in the national championship and the Serbian Cup, it is not able to play the remaining seven games of the 2020-21 WABA League regular season.

As per the Official Basketball Rules, the games (played and unplayed) were awarded to their respective opponents with a score of 20-0.

Furthermore, the forfeiting team Vojvodina 021 will receive 0 classification points in the standings.

The regular season began on 14 October 2020 and it will end on 4 March 2021.