Gaschurn is a village in the municipality of Gaschurn-Partenen, located in the district of Bludenz in Vorarlberg, the westernmost state of Austria. The municipality comprises two main villages, Gaschurn Dorf and Partenen, with Gaschurn serving as one of the two largest settlements within it.
Situated in Austria's far west, Gaschurn lies within the Bludenz district, a part of the country that borders Switzerland and Liechtenstein. The municipality's position in the Alpine region of Vorarlberg places it among the westernmost communities in Austria.
Together with Partenen, Gaschurn forms the administrative entity of Gaschurn-Partenen. The village is one of the two principal population centres of this municipality, the other being Partenen.