In 1823, Witterzée and other municipalities merged into the new municipality of Lillois-Witterzée.
In 1977, Lillois-Witterzée was incorporated into Braine-l'Alleud.
Nearby towns include Braine-l'Alleud 4.8km (Lillois 0.9km, Lillois-Witterzée 0.9km and Ophain-Bois-Seigneur-Isaac 3.2km), Nivelles 5.2km (Baulers 2.8km, Thines 4.7km, Monstreux 6.5km and Bornival 6.9km), Ittre 6.6km (Hoog-Itter 4.3km), Genappe 7.4km (Glabais 7km, Oud-Genepiën 7km, Houtain-le-Val 7.7km, Loupoigne 7.7km, Houtain-le-Mont 7.8km, Ways 8.2km and Baisy-Thy 9.2km), Braine-le-Château 7.6km (Woutersbrakel 6.2km), Waterloo 8.7km, Lasne 10.5km (Plancenoit 5.7km, Maransart 7.9km and Couture-Saint-Germain 9.5km) and Seneffe 14.1km (Arquennes 9.7km and Petit-Rœulx-lez-Nivelles 9.7km)
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