The exact address is Gran Via de les Corts Catalanes, 585, 08007 Barcelona, or more simply, the building of the University of Barcelona in Plaça de la Universitat. Metro Universitat (L1 and L2); also Catalunya (L1, L3, S1, S2, R1, R2, R3, R4) is close by.
Lunches are not included in the registration fee. There are plenty of good inexpensive restaurants in the neighborhood around the conference site. For some suggestions click here.Aula Magna:
Lectures will take place in the Aula Magna, in the first floor of the building, and coffee-breaks will take place in the nearby cloister of the Faculty of Mathematics, or the adjacent closed gallery, depending on weather.