You are responsible for your own accommodation booking. Accommodation is available for different price categories:

http://meet.barcelona.cat/visit-barcelona/accommodation

It is recommended to make hotel reservations as early as possible.

The nearest hotel is Abba Garden: http://www.abbagardenhotel.com/en/home.html

To reserve at Abba Garden Hotel you can write an e-mail to GARDEN@abbahoteles.com explaining your needs of accommodation, specifying the word EACME. This way, you will enjoy the 2017 EACME Annual Conference rate.