Back La Mercè 2017 Friday, 15 September 2017 From the 22nd to the 25th of September comes the Annual Festival of Barcelona. We invite you all to discover the new spaces and enjoy the party! More information. Share Add new comment All comments Send us a comment and share with us your experience regarding this event . You can also send us your personalized query or drop us your suggestions. * The content of this field is kept private and will not be shown. Your name Subject Comment * CAPTCHAThis question is for testing whether or not you are a human visitor and to prevent automated spam submissions.