Zaventem is a municipality in the province of Flemish Brabant, in the Flemish region of Belgium. It is located in the Dijleland area, one of the three large recreational areas which together form the Groene Gordel around the Brussels-Capital Region. The municipality comprises the subdivisions or deelgemeenten of Nossegem, Sint-Stevens-Woluwe, Sterrebeek and Zaventem proper. The municipality is a suburb of Brussels, and Sint-Stevens-Woluwe directly borders the city, specifically the Woluwe-Saint-Lambert municipality.