The beautiful room is at the backside of a nice two room flat in a vogue quarter of cologne called Sülz. There are many nice cafes , Restaurants, Shops and the univerysity nearby.
Very central, so in 10 min. with Underground ( subway) your are in the downtown of Cologne with the dome, central Station, the river rhine and other places of interest.
The 2 Undergrounds in different directions are 5 min within walking distance.
The Autobahn A4 and A57 are reachable in 5-10 min.