Municipality · Province of Walloon Brabant · Wallonia
Grez-Doiceau
Dutch Graven
About Grez-Doiceau
Grez-Doiceau is a municipality in the province of Walloon Brabant in Wallonia, Belgium. On 1 January 2026 it had 14,049 inhabitants on an area of 55.6 km², a population density of 253 inhabitants per km². That is lower than the average of 380 per km² in Walloon Brabant and lower than the Belgian average of 387 per km².
By population, Grez-Doiceau ranks 266th of Belgium’s 565 municipalities and 11th of the 27 municipalities in Walloon Brabant. By area it ranks 205th in Belgium.
The official language is French.
Population of Grez-Doiceau since 2016
Between 1 January 2016 and 1 January 2026 the population of Grez-Doiceau grew by 961 inhabitants (+7.3%), from 13,088 to 14,049. In the last year it changed by +35. The highest figure in this period was in 2023.
For population growth since 2016, Grez-Doiceau ranks 140th of 565. Over the same period the province of Walloon Brabant changed by +5.1% and Belgium by +5.3%.
Neighbouring municipalities
Grez-Doiceau borders 7 municipalities:
Postcodes in Grez-Doiceau
| Postcode | Places |
|---|---|
| 1390 |
Distances from Grez-Doiceau
| To | km | miles |
|---|---|---|
| Leuven | 15 | 9 |
| Brussels | 26 | 16 |
| Namur | 35 | 21 |
| Mechelen | 35 | 22 |
| Charleroi | 41 | 25 |
| Hasselt | 49 | 30 |
| Mons | 60 | 37 |
| Antwerp | 61 | 38 |
| Liège | 65 | 40 |
| Ghent | 77 | 48 |
| Kortrijk | 100 | 62 |
| Bruges | 117 | 73 |
| Ostend | 134 | 83 |
| Arlon | 143 | 89 |
Straight line between the centres of the municipalities. By road it is usually 20–40% further. Calculate another distance →
Nearby municipalities
More about Grez-Doiceau: Wikipedia.