States of Austria states of Upper Austria and Lower Austria are essentially equivalent to what were since 1783/84 the two autonomous halves of the Archduchy of Austria, a principality which formed the empire's historic heartland. Salzburg is coterminous with the former Austro-Hungarian Duchy of Salzburg (the former Archbishopric). Similarly, the state of Carinthia descends from the Duchy of Carinthia, the state of Styria descends from the Duchy of Styria, and the state of Tyrol descends from the Princely County of Tyrol; these states had to cede territories to Italy and Yugoslavia when Austria emerged in its present form. Also, the state of Vorarlberg
Tyrol Tyrol are Innsbruck, Trento and Bolzano. The whole region of Tyrol is located in the Alps. Tyrol is bordered to the north by the state of Bavaria and to the east by the states of Carinthia and Salzburg. West of Tyrol lies the state of Vorarlberg and the canton of Grisons. On the southern side of Tyrol, the land is bordered by the regions of Veneto and Lombardy. Important rivers in Tyrol are the Adige, Inn and Drau. The region is characterized by many valleys. Some of these valleys are still difficult to reach today. The most important valleys are