StadiumStadion NAGANO Stars™
| Current capacity of the stadium |
| Standing | 38 100 |
| Seats | 23 800 |
| Tribune | 14 300 |
| Seats for sponsors | 500 |
| Fans attended |
| 23. 5. 2026 | Kosai- Komatsushima | 12 760 |
| 18. 5. 2026 | Kosai-Yachimata | 19 829 |
| 14. 5. 2026 | Kosai-Imizu | 13 325 |
| 9. 5. 2026 | Kosai- Mashiki | 13 947 |
| 4. 5. 2026 | Kosai- Azuma | 14 732 |
| 30. 4. 2026 | Kosai- Ishigaki | 15 892 |
| 25. 4. 2026 | Kosai- Yokkaichi | 13 797 |
| 16. 4. 2026 | Kosai- Odawara | 15 247 |
| 13. 4. 2026 | Kosai- Ohira | 13 893 |