Grobbendonk is a municipality located in the Belgian province of Antwerp (Dutch: Antwerpen). The municipality comprises the towns of Bouwel and Grobbendonk proper. On January 1st, 2000 Grobbendonk had a total population of 10,449 (5,285 males and 5,164 females). The total area is 28.34 km² which gives a population density of 368.70 inhabitants per km².
The official flag of Grobbendonk was adopted in 1989. In terms of heraldry, the flag is quartered, I and IV argent, three hills vert, a bird sable (specifically a raven), II and III gules three fleur-de-lis argent.
