Events & seminars

All-in-one meeting, seminars and events.

From corporate presentations and dinners to networking, parties and concerts.

Grand hall

Overlooking the lake and gardens.

Meeting rooms

With capacity from 8 up to 75 people.

Astounding auditorium

For 300 people equipped with the latest technologies.

Banquet rooms

Can be merged to host a total of 300 people.

Outdoor areas

Terraces and pelouses soaking up the Sonian forest.

A lovely location.

Mix is an utterly unique event space in Belgium.
Here’s why:
– it’s a vivid hotspot, where everyone is welcome
– 180 hotel rooms, conveniently above the venue
– 3 food places offer plenty of catering options
– in the middle of a green setting, the Sonian Forest
– with a gym, bike rental options and group classes for fun teambuildings
– the iconic building takes you on a charming voyage into the past
– unique teambuildings and outdoor activities

Meeting rooms description

Sleepover and offsites.

Offsite location designed to encourage focus and creativity for those who enjoy a relaxed working environment. A day or an extended stay with your team, boost your creativity in our uniquely themed rooms.

– hotel overnights in one of the 180 stylish bedroom
– offsites and meeting packages

Overnight packages

Food for thought.

We have everything in house, the Mix has food a plenty. Everything to design a tailor-made catering offer.
– all day, everyday, brunch, bar & bites in a convivial atmosphere
– a healthy food & take away spot, next to the gym
– a restaurant for lunch and for dinner, serving seasonal dishes with a smoky twist
– a bar for cocktails and bites
– dedicated caterer for your custom demands
– a food market on the ground floor with more than 20 curated chefs


At your service.

A dedicated team will take care of every aspect of your event.
– book your event spaces and meeting rooms
– supply IT and audiovisual, sound and light setup
– set up the rooms and spaces just as you like it
– have a brainstorm on the perfect menu
– make your coffee breaks into a moment of zen

A one-of-kind venue

Happy to host your next event here?

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Where to find this marvellous mix?

At the green edge of Brussels.

We wholeheartedly welcome you on the second floor of La Royale Belge.


– Address / Boulevard du Souverain 25, 1170 Brussels


Domestic and international access
– Tram / Tenreuken, 3min walking distance
– Metro / Herrmann-Debroux, 10min walking distance
– Bus / STIB 17 & 95 Fauconerie, 6min walking distance


At a doorstep of the rest of the world
– European quarter, 15min public transport
– North & midi station, 35min public transport
– Brussels Zaventem Airport, 20min by car & 55 min by public transport