źardeniki was formerly part of the German Empire. In the German Empire, the place was called Scharnigk.
The place is now called źardeniki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Scharnigk A | German Empire | Heilsberg | 1914 |
| Scharnigk B | German Empire | Heilsberg | 1914 |
| Scharnigk | German Empire | Heilsberg | 1939 |
| źardeniki | Under Polish administration | Lidzbark Warmiński | 1945 |
| źardeniki | Poland | Olsztyn | 1992 |