Omiya Ardija is a professional soccer club based in Saitama, Japan. The club was founded in 1969 and has since established itself as a prominent team in the J-League. Omiya Ardija's home venue is the NACK5 Stadium Omiya, which has a seating capacity of around 15,500 spectators. The club is nicknamed "Ardija," which is derived from the Spanish word "ardilla," meaning squirrel. This nickname was chosen to represent the team's agility and quickness on the field. Omiya Ardija has had several notable accomplishments throughout its history, including winning the J2 League title in 2005 and the Emperor's Cup in 2012. The club has also participated in the AFC Champions League on multiple occasions.