Grimbergen is a
municipality in the
province of
Flemish Brabant, in
Flanders, one of the three regions of
Belgium. The municipality comprises the towns of
Beigem, Grimbergen,
Humbeek and
Strombeek-Bever. On January 1, 2006 Grimbergen had a total population of 33,965. The total area is 38.61 km² which gives a
population density of 880 inhabitants per km². Grimbergen is located in the Dutch language area of Belgium. The French-speaking minority is represented by 4 members on the 30-seat local council. Grimbergen is mostly known for its
Norbertine abbey and the
beer first brewed there.