ABA League Second Division

The ABA League Assembly, held on 24 July 2017, in Belgrade, Serbia, decided to organize the ABA League Second Division with 12 participants. Based on the results in the national championships and by taking into account which clubs have sent applications for participation in the ABA League Second Division, these teams will play in the inaugural season of the ABA League Second Division. Teams from Bosnia and Herzegovina, Croatia, Montenegro, North Macedonia, Serbia, and Slovenia previously played similar second-tier competition called First B Federal League when they were part of SFR Yugoslavia. The First B Federal League was played for 11 seasons from 1980 to 1991. On 12 March 2020, the ABA League Assembly temporarily suspended the 2019–20 season due to the COVID-19 pandemic. On 27 May 2020, the ABA League Assembly canceled definitely the season due to the COVID-19 pandemic. On 29 June 2020, the Assembly decided to extend the number of clubs from 12 to 14 until the 2024–25 season. Further on 15 July 2024 Assembly changed competition format to number 16 teams divided into 4 groups of 4 teams each. Seasons == First Division promotion and relegation ==

The champions of the Second Division are promoted to a following Adriatic League First Division season, while the last-placed team in the First Division are relegated to a following season of the Second Division. ==Clubs (2025–26)==

The following is a list of clubs that have played in the Second Division, at any time, since its formation in 2017, to the current season. Key List of participants Note: Statistics are correct through the end of the 2025–26 season. The 2019–20 season was cancelled due to COVID-19 pandemic in Europe. ==See also==