布拉格 – O2 Universum，捷克共和国布拉格

O2 universum is a multifunctional congress and entertainment centre next to O2 arena in Prague 9-Libeň. It offers 38 modular halls (largest about 4,500–5,000 people) for congresses, concerts and sport, with about 13,000 sqm of exhibition space and metro/tram access.