There are a number of Hotels and B&Bs not far from the workshop venue.
Hotel San Michele (3 mins walk from GSSI)
email: firstname.lastname@example.org; Tel. +39 0862 420260
Hotel L'Aquila (7 mins walk from GSSI)
email: email@example.com; Tel. +39 08 62 581237
Many other solutions (some of them at walking distance) can be found on the web, also using metasearch engines.