Vorarlberg is the westernmost federal state (Land) of Austria. Although it has the second smallest area (Vienna is the smallest) and population (Burgenland is less populated), it has the second-highest population density (after Vienna). It borders three countries: Germany (Bavaria and Baden-Württemberg via Lake Constance), Switzerland (Graubünden and St. Gallen) and Liechtenstein. The only Austrian federal state that shares a border with Vorarlberg is Tyrol to the east.
The capital of Vorarlberg is Bregenz (28,000 inhabitants), although Dornbirn (47,000 inhabitants) and Feldkirch (31,000 inhabitants) have larger populations. Vorarlberg is also distinct in that it is the only state in Austria where the local dialect is not an Austro-Bavarian, but rather an Alemannic dialect; it therefore has much more in common culturally with its Alemannic-speaking neighbours Switzerland, Liechtenstein and Swabia than with Bavaria and the rest of Austria.