The International Summer University is hosted by Koelnmesse.
Koelnmesse is the number 1 trade fair location for more than 25 commercial sectors. More than 3.0 million visitors from 220 countries and approximately 50,000 exhibitors from more than 120 countries regularly participate in the 80 trade fairs and exhibitions in Cologne and abroad. The Cologne exhibition center – with an area of 284,000 square feet, the fifth largest exhibition center in the world – is just a stone's throw away from Cologne's city center. The Cologne Trade Fair has the greatest internationality of all important fair places: On average there are about 60 percent of exhibitors and more than one third of visitors from abroad.