Premise: Passau is a "Landkreis" (district) in the southeast of Bavaria. It encloses the city of Passau geographically from two sides. Neighboring districts are (from the east clockwise) Rottal-Inn, Deggendorf, Freyung-Grafenau. To the south it borders Austria.
Hypothesis: The city of Passau geographically encloses the border of Austria.