Wikipedia
Oberdonaukreis
The Oberdonaukreis (German: Upper Danube District) was one of the 15 administrative districts (German: Bezirke or Regierungsbezirke) of the Kingdom of Bavaria between 1806 and 1837 named after its main river Danube. It was the predecessor of the Regierungsbezirk Schwaben (Administrative District of Swabia).