StadiumStade de Tourbillon
| Current capacity of the stadium |
| Standing | 27 600 |
| Seats | 20 000 |
| Tribune | 15 400 |
| Seats for sponsors | 7 000 |
| Fans attended |
| 13. 11. 2025 | FC Sion-SC ESV Parndorf 1919 | 6 717 |
| 9. 11. 2025 | FC Sion-1FC Skalica | 6 823 |
| 3. 1. 2025 | FC Sion-MK Melbourne | 11 756 |
| 3. 1. 2025 | FC Sion-GIF Sundsvall | 12 225 |
| 3. 1. 2025 | FC Sion-Vallecano | 12 159 |
| 3. 1. 2025 | FC Sion-Yaroslavl | 12 273 |
| 31. 12. 2024 | FC Sion-Heroes de Falcon | 12 145 |
| 31. 12. 2024 | FC Sion-FK Slávia Staškov | 11 855 |
| 31. 12. 2024 | FC Sion-Las Vegas United | 12 008 |