Ota City General Gymnasium
| Full name | Ota City General Gymnasium |
|---|---|
| Location | Ōta, Tokyo, Japan |
| Owner | Ōta, Tokyo |
| Operator | Sumitomo Realty & Development Esforta |
| Capacity | main arena 4,012 second arena 200 |
| Scoreboard | Daktronics centerhung scoreboard SS-80X144-20i-RGB-10 224×672 |
| Construction | |
| Built | 2009 |
| Opened | 2012 |
| Construction cost | JPY 6.85 billion |
| Architect | Ishimoto Architectural & Engineering |
| Structural engineer | Shigeru Ban |
| Main contractors | Fujita Corporation |
| Tenants | |
| Earthfriends Tokyo Z Tokyo Cinq Reves Haneda Vickies B.League U15 Championship | |
| Website | |
| http://www.ota.esforta.jp/ http://www.ota.esforta.jp/pdf/english.pdf | |
Ota City General Gymnasium is an arena in Ōta, Tokyo, Japan. It is the home arena of the Earthfriends Tokyo Z of the B.League, Japan's professional basketball league.