Tyrol–South Tyrol–Trentino Euroregion Austrian federal-state of Vorarlberg, which enjoyed close relations with the region in the past, was granted observer status in the Three Provinces' Parliament ("Dreier Landtag"). Meetings of the assembly were held at various places of historical importance, such as Innsbruck and the former capital of Tyrol, Merano. Tyrol–South Tyrol–Trentino Euroregion The Tyrol–South Tyrol–Trentino Euroregion (; ) is a Euroregion formed by three different regional authorities in Austria and Italy: the Austrian state of Tyrol (i.e. North and East Tyrol) and the Italian autonomous provinces of South Tyrol and Trentino. The boundaries of the association correspond to the former Princely County
Vorarlberg Rhine Valley areas of Bregenz and Dornbirn, live about 180,000 people, around half the population of Vorarlberg. The "green lung" of this region is the Vorarlberg Ried, which is on the border with Switzerland and is surrounded by the settlements of Vorarlberg on three sides. Geographically the Lower Rhine Valley also includes the municipality of Altach. Due to its historical links with the municipality of Götzis and membership of the district of Feldkirch, Altach is often considered part of the Oberland. Vorarlberg Rhine Valley The Vorarlberg Rhine Valley (), also called the Vorarlberg Oberland and Unterland, is a section of the Alpine