With a population of 1.1 million, Cologne is the largest city in North Rhine-Westphalia and the fourth-largest city in Germany. City history goes back to the Roman empire: Cologne was founded 38 BC. Famous landmarks and sights that can be visited by the attendees include the Cologne Cathedral (Kölner Dom), the Romanesque churches, medieval houses, city gates, the Cologne City Museum, and many other attractions.
Cologne can easily be reached via plane to Cologne airport. For travellers in Europe, both train and car are viable options, making it an ideal location for an international conference from a transportation point of view.