Accomodation
There are plenty of hotels in Brussels with different price ranges.
https://www.visit.brussels/en/visitors/where-to-stay/all-accommodations
Some recommendations: (Prices can fluctuate and are based on 1 person).
Hotel Siru*** (very well located between conference venue and the Brussels Grand-Place; close to Metro Rogier)
1,7 km walk
92.5 EURO
Hotel city center** (very well located between conference venue and the Brussels Grand-Place; close to Metro Rogier)
1,6 km walk
104 Euro
The president Brussels hotel***
1,1 km walk
106 Euro
Thon hotel brussels city center**** (very well located between conference venue and the Brussels Grand-Place; close to Metro Rogier)
1,7 km walk
132 EURO
Meininger hotel Brussels city center
1,9 km walk
135 EURO
Yadoga Hotel***
1,3 km walk
178 EURO