Bischofstetten is a town in the district of Melk, in the Austrian state of Lower Austria. It lies in the western part of Lower Austria, a region known as the Mostviertel, within the valley of the Melk river.
The municipality is one of the smaller communities in the Melk district, which is centred on the town of Melk and its Benedictine abbey. Like much of the surrounding area, Bischofstetten is situated in a landscape of rolling hills and farmland.