Dornbirn is a city in Vorarlberg, Austria. It is the administrative center of the district (Bezirk) Dornbirn, which also includes the city of Hohenems, and the market town Lustenau. This name is mentioned for the first time in 895, in a document from St. Gallen (Switzerland). Dornbirn became part of the Habsburg Monarchy in 1380. In 1793 it was elevated to a market community.