The satellite meeting will take place at:

World Trade Center Zaragoza
Avenida de María Zambrano, 31
50018 Zaragoza, Spain

See map below for direction. 
You can find more details on the location here  and on accomodation here. 

The satellite will take place either on Monday, June 1st, 2015 and on Tuesday, June 2nd, 2015. 
 A preliminary program will be made available on this website as soon as possible.