The , also known as the for sponsorship reasons, is an indoor arena in Nishio, Aichi, Japan.
Background The Nishio City Gymnasium opened on 1 October 1993.
The venue was given the name Daisen Arena Nishio due to sponsorship reasons with Daisen Co., Ltd. The arena adopted the name on 1 November 2025 and the contract is scheduled to last until 31 October 2030.
It served as the venue for the boxing events of the 2026 Asian Games. Facilities The Nishio City Gymnasium is built on lot and has a total building floor area of .
It is divided in multiple components. Its main arena area can accommodate indoor sports like basketball, volleyball, and badminton and fixed seating capacity of 1,508, additional six accessibility seats, as well as 660 retractable seats. It also has a sub-arena. It also has a separate Kyūdō range and a martial arts hall. It also has conference rooms.
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