StadiumStadion Calheta
| Current capacity of the stadium |
| Standing | 20 600 |
| Seats | 12 900 |
| Tribune | 7 700 |
| Seats for sponsors | 300 |
| Fans attended |
| 5. 10. 2026 | Siena-AC Piacenza | 10 049 |
| 1. 10. 2026 | Siena-Genoa 1893 CFC | 10 109 |
| 24. 9. 2026 | Siena-Caulonia | 12 287 |
| 19. 9. 2026 | Siena-Tufara | 10 886 |
| 14. 9. 2026 | Siena-Bova | 3 427 |
| 10. 9. 2026 | Siena-Fortis Vicenza FC | 3 438 |
| 5. 9. 2026 | Siena-Sessa Cilento | 3 424 |