Event venues established in 1924

building in Drammen, Buskerud, Norway

thumb|Inside Koelnmesse at Gamescom 2017 thumb|Map of the Cologne trade fair grounds (marked Messegelände) Koelnmesse GmbH (Cologne Trade Fair) is an international trade fair and exhibition center located in Cologne, North Rhine-Westphalia, Germany. With around 80 trade fairs and over 2,000 conferences annually, Koelnmesse is one of the country's largest trade fair organisers and with 284,000 m2 exhibition floor area the third largest by area.