Nowa Ruda was formerly part of the German Empire. In the German Empire, the place was called Nowa Ruda.
The place is now called Nowa Ruda and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Nowa Ruda | Russian Empire | Ostrolenka | 1914 |
| Nowa Ruda | Poland | Kolno | 1919 |
| Nowa Ruda | German Empire | Scharfenwiese | 1939 |
| Nowa Ruda | Poland | Kolno | 1945 |
| Nowa Ruda | Poland | Łomża | 1992 |