Raasdorf is a town in the district of Gänserndorf, in the Austrian state of Lower Austria. It lies in the eastern part of the country, within the Weinviertel region, roughly east of Vienna and close to the Marchfeld plain.
The settlement is one of the municipalities that make up the Gänserndorf district, an administrative area in Lower Austria. The surrounding landscape is predominantly flat agricultural land, characteristic of the Marchfeld, one of Austria's most important crop-growing regions.
Raasdorf is connected to the wider area by road and is within easy reach of Vienna, whose urban edge lies only a short distance to the west. The town's position near the capital places it within the commuting belt of the Vienna metropolitan region.