WEB大宮アルディージャ; Full name: Omiya Ardija: Nickname(s) Risu (The Squirrels) Founded: 1969; 55 years ago () Stadium: NACK5 Stadium Ōmiya Omiya-ku, Saitama, Saitama: Capacity: 15,500: Owner: NTT Group: Chairman: Masashi Mori: Head coach: Masato Harasaki: League: J3 League: 2023: J2 League, 21st of 22 (relegated) Website: Club …