Czarnowo-Undy
| Czarnowo-Undy | |
|---|---|
| Village | |
| Country |
 Poland |
| Voivodeship | Podlaskie |
| County | Zambrów |
| Gmina | Kołaki Kościelne |
Czarnowo-Undy [t͡ʂarˈnɔvɔ ˈundɨ] is a village in the administrative district of Gmina Kołaki Kościelne, within Zambrów County, Podlaskie Voivodeship, in north-eastern Poland.[1]