[2] Cable Networks Akita acquired its naming rights in 2015.

[4] The gym has a dome-shaped 154 feet height ceiling, and added 2,088 extra seatings in 2016.

[5][6][7] It is the home arena of the Akita Northern Happinets of the B.League, Japan's professional basketball league.

CNA Arena has hosted the following sports events: On January 9.

[10] The record for a basketball game is 4,951, set on November 30, 2022, when the Happinets defeated the Alvark Tokyo 83-69.