| Ciemno-Gnojna | |
|---|---|
| — Village — | |
| Country | Poland |
| Voivodeship | Masovian |
| County | Żyrardów |
| Gmina | Mszczonów |
Ciemno-Gnojna [ˈt͡ɕemnɔ ˈɡnɔi̯na] is a village in the administrative district of Gmina Mszczonów, within Żyrardów County, Masovian Voivodeship, in east-central Poland.[1]