The 2009–10 IWBL League was the ninth season of the WABA League. The study included ten teams from five states, and the winner has become the team Gospić Croatia Osiguranje. In this season participating clubs from Serbia, Montenegro, Bosnia and Herzegovina, Croatia and from Slovenia.
IWBL League for the season 2009-10 has begun to play 10 October 2009 and ended on 22 February 2010, when he it was completed a Regular season. Final Four to be played from 12–13 March 2010. in Gospić, Croatia. Winner Final Four this season for the team Gospić Croatia Osiguranje from Croatia.
The League of the season was played with 10 teams and play a dual circuit system, each with each one game at home and away. The four best teams at the end of the regular season were placed in the Final Four. The regular season began on 10 October 2009 and it will end on 20 February 2010.
Final Four to be played from 12–13 March 2010. in the Gradska Školska Sportska Dvorana in Gospić, Croatia.
Player of the Year: Jelena Ivezić (184-G-84) of Gospić Croatia Osiguranje Guard of the Year: Jelena Ivezić (184-G-84) of Gospić Croatia Osiguranje Forward of the Year: Mirna Mazić (188-F-85) of Medveščak Center of the Year: Natalia Terglav Tratsiak (195-C-80) of HIT Kranjska Gora Import Player of the Year: Carla Thomas (191-F/C-85) of Gospić Croatia Osiguranje European Player of the Year: Jelena Ivezić (184-G-84) of Gospić Croatia Osiguranje Defensive Player of the Year: Mirna Mazić (188-F-85) of Medveščak Coach of the Year: Stipe Bralić of Gospić Croatia Osiguranje 1st Team
G: Jelena Ivezić (184-84) of Gospić Croatia Osiguranje G: Anda Jelavić (175-80) of Gospić Croatia Osiguranje F: Mirna Mazić (188-85) of Medveščak F/C: Carla Thomas (191-85) of Gospić Croatia Osiguranje C: Natalia Terglav-Tratsiak (195-80) of HIT Kranjska Gora 2nd Team
G: Brankica Hadžović (175-81) of Jedinstvo Bijelo Polje F: Lamisha Augustine (186-82) of Gospić Croatia Osiguranje F: Stanecia Graham (185-86) of Jedinstvo Bijelo Polje F/C: Nikya Hughes (191-85) of Merkur Celje C: Emina Demirović (186-85) of Mladi Krajišnik Honorable Mention
Ljubica Kure (178-G-81) of AJM Maribor Eva Komplet (182-F/C-86) of HIT Kranjska Gora Luca Ivanković (200-C-87) of Šibenik Jolly Nataša Popović (190-C-82) of Šibenik Jolly Jasmina Bigović (174-G-79) of Jedinstvo Bijelo Polje All-European Players Team
G: Jelena Ivezić (184-84) of Gospić Croatia Osiguranje G: Anda Jelavić (175-80) of Gospić Croatia Osiguranje F: Mirna Mazić (188-85) of Medveščak F/C: Eva Komplet (182-86) of HIT Kranjska Gora C: Natalia Terglav Tratsiak (195-80) of HIT Kranjska Gora 