I booked 2 nights Kopenhagen for 4 persons and unfortunately we had to cancel.
This is what airbnb answerd:
Basierend auf den Stornierungsbedingungen: Moderat, die Frederik angegeben hat, erhältst du eine volle Rückerstattung in Höhe von 378,31€. Der Betrag sollte bis zum Mo, 16. Okt auf deinem VISA Konto eingehen.
You'll have to ontact Airbnb support. Have the reservation number ready to give to them.
Log in and click on "Help" and then type "contact airbnb" in the "Ask a question ..." box. Then click on the "I want to contact Airbnb" link. Then click on the "Contact page" link near the end of the page.
You can also type "contact airbnb" in the "Search the community" box on these forum pages where you posted your question. Scroll down a little in the list of suggestions that appears and click on the "Contact Airbnb: A Community Help Guide[UPDATED]" one. That lists phone numbers and ways to contact them via Twitter or Facebook.