FC Sion is a professional football club based in Sion, Switzerland. Founded in 1909, the team competes in the Swiss Super League, the top tier of Swiss football. The club's colors are red and white, and they play their home matches at the Stade Tourbillon, which has a capacity of around 15,000 spectators. The club has a rich history, having won multiple Swiss championships and Swiss Cups. Known for its passionate fan base, FC Sion has developed a reputation for nurturing local talent and has a strong rivalry with other Swiss clubs, particularly FC Lausanne-Sport.