Braine-l'Alleud is a municipality of Wallonia located in the province of Walloon Brabant, Belgium, about 20 kilometres south of Brussels.
The municipality consists of the following districts: Braine-l'Alleud, Lillois-Witterzée, and Ophain-Bois-Seigneur-Isaac. Bordering Flanders, the town is home to a minority of Dutch speakers.
The famous Lion of Waterloo, where the eponymous battle took place, is in the territory of Braine-l'Alleud.
Wikipedia https://en.wikipedia.org/wiki/Braine-l'Alleud
Coordinates 50°40'58.34" N 4°22'9.374" E