Wujaki was formerly part of the German Empire. In the German Empire, the place was called Ohmswalde.
The place is now called Wujaki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wujaken | German Empire | Ortelsburg | 1934 |
| Ohmswalde | German Empire | Ortelsburg | 1939 |
| Wujaki | Under Polish administration | Szczytno | 1945 |
| Wujaki | Poland | Ostrołęka | 1992 |