Żelkówko was formerly part of the German Empire. In the German Empire, the place was called Klein Silkow.
The place is now called Żelkówko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Klein Silkow | German Empire | Stolp | 1939 |
| Żelkówko | Under Polish administration | Słupsk | 1945 |
| Żelkówko | Poland | Słupsk | 1992 |