Plasczok was formerly part of the German Empire. In the German Empire, the place was called Teichgrund.
The place is now called Płaszczak and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Plasczok | German Empire | Guttentag | 1936 |
| Teichgrund | German Empire | Guttentag | 1939 |
| Płaszczak | Under Polish administration | Lubliniec | 1945 |
| Płaszczak | Poland | Częstochowa | 1992 |