Koelnmesse (Cologne Trade Fair or Cologne Exhibition Centre) is the name of the international trade fair and exhibition center located in Cologne, North Rhine-Westphalia, Germany. With around 75 trade fairs and over 2,000 conferences annually, Koelnmesse is one of the country's largest trade fair organizers and with 284,000 m² exhibition floor area the third largest by area.

Koelnmesse (Cologne Trade Fair or Cologne Exhibition Centre) is the name of the international trade fair and exhibition center located in Cologne, North Rhine-Westphalia, Germany. With around 75 trade fairs and over 2,000 conferences annually, Koelnmesse is one of the country's largest trade fair organizers and with 284,000 m² exhibition floor area the third largest by area.