After the 1454 uprising of the Prussian Confederation and the Thirteen Years' War, the area fell back to the Polish Crown according to the Second Peace of Thorn in 1466.
Together with the Chełmno and Malbork voivodeships and the Prince-Bishopric of Warmia it formed the autonomous province of Royal Prussia.
The autonomy of the region was later abolished as a result of the Union of Lublin in 1569 and the area was incorporated into the Polish Crown.
In turn for their support in the Thirteen Years' War, the Griffin dukes in 1455 gained the Pomerelian Lauenburg and Bütow Land as a Polish fief, which upon the extinction of the dynasty in 1637 fell back to the Polish Crown and by the 1657 Treaty of Bromberg was given to the Brandenburg margraves, who also ruled over the adjacent Imperial Pomerania Province.
On the eve of the Polish partitions, King Frederick II of Prussia in 1771 finally incorporated Lauenburg and Bütow into the Pomerania Province.