The Place du Jeu de Balle (French) or Vossenplein (Dutch) is a square located in the heart of the Marolles/Marollen district of Brussels, Belgium. It holds a famous flea market.

• The flea market takes place every day of the week from 6 a.m. to 2 p.m. and weekends from 6 a.m. to 3 p.m.
• Every year, on 20 July, the eve of Belgian National Day, the National Ball is held there.