NBL1 East, formerly the Waratah League, is a semi-professional basketball league in New South Wales and the Australian Capital Territory, comprising both a men's and women's competition. In 2021, Basketball New South Wales partnered with the National Basketball League (NBL) to bring NBL1 to New South Wales in 2022. NBL1 replaced the former Waratah League to create more professional pathways and opportunities for males and females playing basketball in New South Wales. As a result, the Waratah League became the east conference of NBL1. The league was previously a member of the Australian Basketball Association (ABA) from 2001 to 2008.

In 1991, the New South Wales Premier Division was established.^[1] In 2001, the league was rebranded as Waratah League^[1] when the league entered the Australian Basketball Association (ABA).^[2]

In 2021, Basketball New South Wales and the National Basketball League (NBL) announced a new partnership to bring NBL1 to New South Wales in 2022, with NBL1 replacing the Waratah League. The Waratah League was officially renamed NBL1 East and became the east conference of NBL1.^[3][4]

More information Club, City ...

Club	City	State	Arena	Joined NBL1	NBL1 National Championships	Most recent
Albury Wodonga Bandits**	Albury	New South Wales	Lauren Jackson Sports Centre	2019	0	N/A
BA Centre of Excellence**	Canberra	Australian Capital Territory	Australian Institute of Sport	2019	0	N/A
Bankstown Bruins*	Sydney	New South Wales	Bankstown Basketball Stadium	2022	0	N/A
Canberra Gunners/Canberra Nationals*	Canberra	Australian Capital Territory	Belconnen Stadium	2022	0	N/A
Central Coast Crusaders*	Central Coast	New South Wales	Breakers Indoor Sports Stadium	2022	0	N/A
Hills Hornets*	Sydney	New South Wales	Hills Sports Stadium	2022	0	N/A
Hornsby Ku-ring-gai Spiders	Sydney	New South Wales	Barker College Thornleigh Brickpit Basketball Sports Stadium	2023	0	N/A
Illawarra Hawks*	Wollongong	New South Wales	Snakepit Stadium	2022	0	N/A
Inner West Bulls*	Sydney	New South Wales	ELS Hall Park	2022	0	N/A
Maitland Mustangs*	Maitland	New South Wales	Maitland Federation Centre	2022	0	N/A
Manly Warringah Sea Eagles*	Sydney	New South Wales	Northern Beaches Indoor Sports Centre	2022	0	N/A
Newcastle Falcons*	Newcastle	New South Wales	Newcastle Basketball Stadium	2022	0	N/A
Norths Bears*	Sydney	New South Wales	North Sydney Indoor Sports Centre	2022	0	N/A
Penrith Panthers	Sydney	New South Wales	Penrith Valley Indoor Sports Centre	2023	0	N/A
Sutherland Sharks*	Sydney	New South Wales	Sutherland Basketball Stadium	2022	0	N/A
Sydney Comets	Sydney	New South Wales	Comets Stadium	2023	0	N/A

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* Teams that transferred from the Waratah League.
** Teams that transferred from other NBL1 conference.