Aichi Prefectural Gymnasium

Aichi Prefectural Gymnasium, also known as Dolphins Arena, is a multi-purpose gymnasium in Nagoya, Japan, built in 1964.

Overview

Located on the site of the secondary enclosure of Nagoya Castle, it is host to numerous concerts and events. Beyonce performed there on April 14, 2007 as part of her tour The Beyoncé Experience.
The gymnasium has 4,375 fixed seats and can accommodate an additional 3,032 on the floor for certain events, giving it a total maximum capacity of 7,407.
It won the 7th annual Building Contractors Society Award in 1966.
Professional Sumo's July Grand Sumo Tournament was held at the site every year from the second until the fourth Sunday in July. Beginning in 2025, the tournament will move to the nearby Aichi International Arena, owned and operated by Anschutz Entertainment Group.
It is the home arena of the Nagoya Diamond Dolphins of the B.League. Dolphins acquired its naming rights in 2018.