The Federal City of Bonn (German pronunciation: (listen)) is a city on the banks of the Rhine in the German state of North Rhine-Westphalia, with a population of over ,About 24 km (15 mi) south-southeast of Cologne, Bonn is in the southernmost part of the Rhine-Ruhr region, Germany's largest metropolitan area, with over 11 million inhabitants. ADULTS ONLY! This website contains nudity, explicit sexual content and adult language. It should be accessed only by people who are of legal age in the physical location from . You are just about to enter the coolest place in the world - well, at least people say that's what it is. But find out for yourself: 16 vintage caravans, two night sleepers, two Airstreams and quite a few other oddities to stay for the night - beautifully arranged at our indoor campground.