The event will take place at:
Sparks 
60 rue Ravenstein 
1000 Brussels

Please note: SPARKS, the meeting venue is NOT a hotel. Any accommodation would need to be booked elsewhere.

There are many hotels in the centre of Brussels within walking distance of the Sparks venue or easily accessible by any metro or bus serving Gare Central and tram lines 92 and 93 serving the Royale, Palais, and Parc stops.
 

Getting there...

Driving & Parking
Interparking Albertine

Trains
All trains that stop at Brussels Central
You can either buy your train ticket at the ticket booths in the stations or online https://www.belgiantrain.be/en

The last bit...
Sparks is about 170 metres, just a two-minute walk, from Brussels Central station.

Exit Brussels Central Station onto Cantersteen, take the left on Cantersteen up to the traffic signals, cross over to the right, and take Rue Ravenstein and you are at Sparks on the right approximately 50 metres from the traffic lights.