The apartment (bedroom, living room, kitchen and bathroom) is just off the S-Bahn Nippes (4 min. To the main station, 6 min. to Cologne Messe / Deutz).
From the main station it's not far to walk to the cathedral, the Rhine and the inner city including shopping centre and the historic center. You will find it in the Escher Straße 71 at the second floor.