We have pre-booked 50 rooms at the CERN hostel. They will be allocated on the first come first served basis. Please send the for to antonella.vignes-magno@cern.ch.
FORM for CERN Hostel (<--- click)
You can also find a list of local hotels at https://smb-dep.web.cern.ch/en/content/hotels-and-apartment-hotels-local-area