After a successful inaugural season, the NBL1 is set to expand in 2020.
The competition will be split into two conferences, with NBL1 North to replace the Queensland Basketball League, while the Victorian-based conference, featuring the Albury-Wodonga Bandits, will be known as NBL1 South.
NBL1 South will tip off on April 18, while NBL1 North will begin a week later on April 24.
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Both will hold conference finals in August, with an NBL1 finals series to be played on the first weekend of September between the two conference champions at Melbourne's State Basketball Centre.
"This is a genuine partnership between the NBL, Basketball Queensland and Basketball Victoria and we look forward to the great rivalries that's set to develop between the conferences," NBL chief operating officer Andy Crook said.