Piasty Małe was formerly part of the German Empire. In the German Empire, the place was called Peisten, Klein.
The place is now called Piasty Małe and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Peisten, Klein | German Empire | Preußisch Eylau | 1939 |
| Piasty Małe | Under Polish administration | Górowo Iławeckie | 1945 |
| Piasty Małe | Poland | Olsztyn | 1992 |