We have blocked 20 places for workshop participants at the DESY Guest House (hostel style). To book a place at the DESY Guest House, please fill out the booking form at
https://welcome-services.desy.de/e17/req1/index_eng.html
In the "Additional Text" field, please enter "EUCALL-SIMEX Developers Workshop".
Other options for accommodation in vicinity to DESY
Hotel Mercure: https://www.accorhotels.com/gb/hotel-1659-mercure-hotel-hamburg-am-volkspark/index.shtml