There are many nice places to stay in Copenhagen. Please find below a few suggestions which all are within walking distance from the metro which take you directly to the conference venue.
Phønis hotel is centrally based in the old and noble part of Copenahgen only 500 m from the metro station at Kongens Nytorv. From here you can take the metro directly (3 stops) to DR byen, which is both the name of the metro station as well as the name of the conference venue.
Wake up Copenhagen is a nice and new hotel, for someone who mostly appreciates a nice place to sleep. Just 400 meters to the metro station at Kongens Nytorv – from where you take the metro directly (3 stops) to DR byen.
Nice older hotel, located 10 minutes from Nørreport metro station, from where you take the metro 4 stops to DR Byen. Central location In Copenhagen close to the lakes and the popular food marked at Israels plads.