Vorarlberg is the westernmost and wealthiest state of Austria. Though it is the second smallest in terms of area (Vienna is the smallest) it borders three countries: Germany (Bavaria), 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, although Dornbirn and Feldkirch are larger cities in terms of population. Vorarlberg is also distinct in that it is the only province in Austria that does not speak an Austro-Bavarian dialect; it shares much in common with its neighbors in Switzerland, Liechtenstein and Swabia.