Sonnenberg was a county ruled by the Eberhard branch of the comital Waldburg family of Upper

Swabia Swabia ; , colloquially ''Schwabenland'' or ''Ländle''; archaic English also Suabia or Svebia is a cultural, historic and linguistic region in southwestern Germany. The name is ultimately derived from the medieval Duchy of Swabia, one of ...

, located around Nüziders-Sonnenberg in

Vorarlberg Vorarlberg ( ; ; , , or ) is the westernmost States of Austria, state () of Austria. It has the second-smallest geographical area after Vienna and, although it also has the second-smallest population, it is the state with the second-highest popu ...

, then part of

Tyrol Tyrol ( ; historically the Tyrole; ; ) is a historical region in the Alps of Northern Italy and western Austria. The area was historically the core of the County of Tyrol, part of the Holy Roman Empire, Austrian Empire and Austria-Hungary, f ...

(

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

). Sonnenberg was a partition of Waldburg and was annexed by the

Archduchy of Austria The Archduchy of Austria (; ) was a major Princes of the Holy Roman Empire, principality of the Holy Roman Empire and the nucleus of the Habsburg monarchy. With its capital at Vienna, the archduchy was centered at the Empire's southeastern periph ...

in 1511. The Habsburg monarchs continued carrying the title of "Count of Sonnenberg" in the

grand title of the Emperor of Austria The grand title of the emperor of Austria () was the vast lists of the crowns, titles, and dignities which the emperors of Austria carried from the foundation of the empire in 1804 until the end of the monarchy in 1918. After the House of Habsb ...

References

{{Germany-hist-stub States and territories established in 1424 1511 disestablishments History of Vorarlberg Counties of the Holy Roman Empire Further Austria States and territories disestablished in the 1510s