Mrozy was formerly part of the German Empire. In the German Empire, the place was called Frostwinkel.
The place is now called Mrozy and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mroze | German Empire | Karthaus | before the Versailles Treaty |
| Mrozy | Poland | Kartuzy | after the Versailles Treaty |
| Frostwinkel | German Empire | Karthaus (Westpr.) | 1939 |
| Mrozy | Poland | Kartuzy | 1945 |
| Mrozy | Poland | Gdańsk | 1992 |