Walhain
| Walhain | |
|---|---|
| Ruins of Walhain castle (12th century) | |
| Location of Walhain | |
| Coordinates: 50°38′N 04°42′E / 50.633°N 4.700°E | |
| Country | Belgium | 
| Community | French Community | 
| Region | Wallonia | 
| Province | Walloon Brabant | 
| Arrondissement | Nivelles | 
| Government | |
| • Mayor | Xavier Dubois (cdH) (Avenir Communal) | 
| • Governing party/ies | Avenir Communal - Ecolo | 
| Area | |
|  • Total | 38.08 km2 (14.70 sq mi) | 
| Population  (2018-01-01) | |
|  • Total | 7,167 | 
| • Density | 190/km2 (490/sq mi) | 
| Postal codes | 1457 | 
| NIS code | 25124 | 
| Area codes | 010 | 
| Website | www.walhain.be | 
Walhain (French pronunciation: [walɛ̃]; Walloon: Walin) is a municipality of Wallonia located in the Belgian province of Walloon Brabant. It consists of the former municipalities of Nil-Saint-Vincent-Saint-Martin, Tourinnes-Saint-Lambert and Walhain-Saint-Paul.
The Belgian National Geographic Institute, the Belgian national cartographical service, calculated that the geographical centre of Belgium lay in this municipality, in Nil-Saint-Vincent at 50°38′28″N 4°40′05″E / 50.64111°N 4.66806°E.