Description Available in: Football Club de Sion, commonly known as simply FC Sion or Sion, is a Swiss football team from the city of Sion. The club was founded in 1909, and play their home matches at the Stade Tourbillon. They have won the Swiss Super League twice, and the Swiss Cup in 13 of their 14 appearances in the final, the most recent being in 2015. The first team of the club was also known as their incorporated name Olympique des Alpes SA.