Halle is a Flemish city and municipality in the district Halle-Vilvoorde of the province Flemish Brabant. The city is located on the Brussels-Charleroi Canal and on the Flemisch side of the language border that separates Flanders and Wallonia. Geographiccaly, Halle lies on the border between the Flemish plains to the North and the undulating Brabant lands to the South. The city also borders on the Pajottenland to the west. The official language of Halle is Dutch.

The municipality Halle comprises the city of Halle proper and the towns of Buizingen and Lembeek. The neigboring towns are: Pepingen, Sint-Pieters-Leeuw, Beersel, Braine-l\'Alleud, Braine-le-Château and Tubize.
The population of Halle is 35.350 inhabitants (in 2008).
The present mayor is Dirk Pieters of the CD&V.