Vorarlberg sustainable energy was produced than consumed. Green electricity from Vorarlberg is therefore also sold to the German Westallgäu, to Switzerland and to other Austrian provinces. The largest electricity producer in Vorarlberg is Illwerke AG. They produce 75% of the electricity in Vorarlberg, mainly by hydropower. Owing to their location isolated from the rest of Austria, most people in Vorarlberg speak a very distinct German dialect that other Austrians might have difficulty understanding, since the dialects in the rest of Austria form part of the Bavarian-Austrian language group, whereas the Vorarlberg dialect is part of the Alemannic dialect continuum. Alemannic dialects
Burgenland 1990 Burgenland regained its traditional role as a bridge between the western and eastern parts of Central Europe. Cross-border links were strengthened when Hungary, Slovakia and Slovenia joined the European Union in 2004. All three countries became part of the Schengen zone in late 2007 when border controls finally ceased to exist in the region. Burgenland has notable Croatian (29,000–45,000) and Hungarian (5,000–15,000) populations. The Croats arrived after the devastating Ottoman war in 1532, when the Ottoman army destroyed some settlements in their ethnic territory. The emigration in great haste of the Catholic remained population of western Slavonia into the