overview programme about the place O2 arena is one of the most modern multi-function arenas in Europe with a capacity of 20,000 seats. It was opened in 2004 for the World Championships in ice hockey and since then annually welcomes over 600,000 visitors. It hosts top sporting and cultural events, and world-renowned music stars regularly perform here. The arena includes shopping areas, lounges, restaurants and bars, rooms for press conferences and congresses. more about the place Source: www.o2arena.cz sports Champions Hockey League, HC Sparta 4. 9. 2025 — 14. 10. 2025, 18:30 O2 arena sports Tipsport Extraliga — HC Sparta Praha matches in O2 arena 12. 9. 2025 — 4. 3. 2026, 18:30 O2 arena large events Disturbed 7. 10. 2025, 19:30 O2 arena large events Katy Perry 30. 10. 2025, 20:00 O2 arena events Roxette 6. 11. 2025 O2 arena FMX Gladiator Games 8. 11. 2025, 13:30 O2 arena sports Global Champions Prague Playoffs 20. 11. 2025 — 23. 11. 2025 O2 arena large events Jason Derulo 2. 3. 2026, 20:00 O2 arena sports ISU World Figure Skating Championships 24. 3. 2026 — 29. 3. 2026 O2 arena up show more Visit HC Sparta Praha matches held in O2 arena for free with the Prague Visitor Pass.