[1] The Teutonic Knights began building the castle in 1390 on a hill in southeast Bytów.
[2] The castle's southwest wing housed a kitchen and food storage, and nearby stood a water well.
The Kingdom of Poland under the command of Władysław II Jagiełło (Jogaila) seized by the castle in 1410.
In the second half of the 16th century, the castle was the residence of the House of Pomerania, which in the years 1560-1570 had their living quarters in the southeastern wing.
In the 19th century the castle was partly rebuilt after Frederick William I of Prussia, elector of Brandenburg, took over.