Waldburg-Sonnenburg

County of Waldburg-Sonnenburg
Grafschaft Waldburg-Sonnenburg
State of the Holy Roman Empire

1424–1511
Capital Sonnenburg
Languages Alemannic German
Government Principality
Historical era Middle Ages
 -  Partitioned from Waldburg 1424
 -  Annexed by Austria 1511

Waldburg-Sonnenburg was a County ruled by the House of Waldburg, located in southeastern Baden-Württemberg, Germany, located around Sonnenburg, Tyrol. Waldburg-Sonnenburg was a partition of Waldburg and was annexed by the Archduchy of Austria in 1511.