Willebroek is a municipality located in the Belgian province of Antwerp. The municipality comprises the towns of Blaasveld, Heindonk, Tisselt, Klein Willebroek, and Willebroek proper. In 2021, Willebroek had a total population of 27,081. The total area is 27.41 km2. Willebroek is linked to Brussels by the Willebroek Canal.