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
Burgenland as a "Landtag" (representative assembly) and "Statthalter" (imperial governor). On 18 July 1922, the first elections for the parliament of Burgenland took place. Various interim arrangements were required due to the changeover from Hungarian to Austrian jurisdiction. The parliament decided in 1925 on Eisenstadt as the capital of Burgenland, and moved from the various provisional estates throughout the country to the newly built "Landhaus" in 1929. The first Austrian census in 1923 registered 285,600 people in Burgenland. The ethnic composition of the province had changed slightly: the percentage of Germans increased compared to 1910 (227,869 people, 80%) while the percentage