Cologne Bonn Airport is located 17 kilometers from Cologne and 22 kilometers from the center of Bonn. It's Germany's sixth largest airport and handles 10 million passengers annually. Officially, the airport's name is Bonn flughaven Konrad Adenauer, after the first chancellor of West Germany. The airport has two terminals, which are connected by an underground station.
The airport has an excellent rail connection to Cologne. Furthermore, it's easily accessible by car and bus. There is a hotel located a few hundred meters from Bonn Airport for any overnight stays.
You will find most shops and restaurants in the departure lounge. There is a conference center equipped with modern facilities. Moreover, the airport offers a VIP service for various services. It's possible to get a group tour. The airport has ATMs, a pharmacy, playroom, laundry and mail facilities.
In the aviation industry Cologne Bonn Airport is indicated by the abbreviations CGN (IATA airport code) and EDDK (ICAO airport code).
Link to the website of Cologne Bonn Airport.