Probably you want to go to : http://wiki.laptop.org/go/Belgium
These is the potential starting page of the OLPC entity created by OLPC in Belgium.
The OLPC Europe offices - http://olpceu.org - at SWIFT near Brussels have been closed since 2013. Walter - the CEO and his wife Samia have moved to the USA. The offices have been completely emptied and whatever promo-material was moved to an olpc antenna at TEDxBrussels.
For the pages of the olpc community in Belgium go to Belgium.
OLPC Belgium FAQ OLPC-Belgium OLPC Belgium/Meetings