The complex is situated in north-eastern part of the Prague city centre. It occupies an advantageous position between the interior road ring and the external road ring. O₂ universum Hall is reachable within 30 minutes from Václav Havel Airport, 10 minutes from the city center and easy to access by public transport.

O₂ universum Hall is a new modern multifunctional congress and cultural centre which is located in Prague. The complex serves as a modern centre to host international events and offers unique spaces.

The new complex of O₂ universum Hall is directly linked to the O₂ arena from the south and offers four floors with the overall capacity up to 10 000 visitors. 3 halls have capacity over 1 000 people, 1 hall with capacity over 4 500 people. O₂ universum offers 21 halls of different sizes at disposal and adjacent exhibition floor space as well.