| County of Waldburg-Sonnenburg Grafschaft Waldburg-Sonnenburg |
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| State of the Holy Roman Empire | ||||
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| Capital | Sonnenburg | |||
| Language(s) | Alemannic German | |||
| Government | Principality | |||
| Historical era | Middle Ages | |||
| - Partitioned from Waldburg | 1424 | |||
| - Annexed by Austria | 1511 | |||
Waldburg-Sonnenburg was a County 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.