The territory of the Duchy of Oświęcim was eventually incorporated into Poland in 1564 and formed Silesian County of Kraków Voivodeship. Upon the First Partition of Poland in 1772 it became part of the Austrian Kingdom of Galicia.
The Duchy of Oświęcim's fate changed over time, being incorporated into Poland in 1564 and later becoming part of the Austrian Kingdom of Galicia after the First Partition of Poland in 1772.