Nivelles (French: [nivɛl] ; Dutch: Nijvel [ˈnɛivəl] ; Walloon: Nivele) is a city and municipality of Wallonia located in the Belgian province of Walloon Brabant. The Nivelles municipality includes the former municipalities of Baulers, Bornival, Thines, and Monstreux.
The Nivelles arrondissement includes all the municipalities in Walloon Brabant.
The Collegiate Church of St. Gertrude has been classified as a heritage site of Wallonia.
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