Hotels
There are many nice hotels in Cologne. This website gives you a complete overview. http://www.bookings.org
Kölnmesse
The Cologne trade fair is one of the world's largest exhibition
centers. It's situated on 'the other' bank of the Rhine.
Address: Messeplatz 1, tel.: +49 221/821-0
http://www.koelnmesse.de
Golf
In Cologne there are as much as 6 golf clubs and many more in the vicinity.
It's the region with the highest concentration of golf courses in Germany. So maybe extend your stay with a day playing golf? Overview of golf courses in the
neighborhood