1 km from Cologne city centre, in culturally lively area (theatres, clubs, bars, shops), excellent public transport connections (12 minutes to city centre / cathedral via tram which stops in front of our house), spacious apartment on the third floor (there is an elevator), 3 large rooms, kitchen, bathroom, large hall, 2 balconies, nice neighbours, free parking in front of the house.
Cologne is rich in Roman and medieval history as well as a hub for modern art and for the film industy. It's famous for its lively bar scene and open-minded, hospitable inhabitants.
Ideal also for tours on the river Rhine or to Belgium and the Netherlands, Paris is 4 hours, London 5.5 hours, Berlin 4 hours by train. For infos on Cologne see http://www.koeln.de/tourismus/en/

We have had 17 very pleasant exchanges so far!