UPDATE (Sept. 16th): hotels are now fully booked for the duration of the conference.
A special price is available for attendees to the event who should only explain they are coming for EuroBSDCon when booking.
31, bd de Strasbourg
13, rue René Boulanger
Hotel St Martin
6, rue Gustave Goublier
The venue provides a large list of hotels with a discount.
Find the hotels on the venue website.