See also: Nowa Wrona, Nowy Dwór Mazowiecki County.
| Nowa Wrona | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Płońsk |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Joniec |
| Coordinates: | 52.5358°N 20.5997°W |
| Pushpin Map: | Poland |
Nowa Wrona is a village in the administrative district of Gmina Joniec, within Płońsk County, Masovian Voivodeship, in east-central Poland.[1]
Before World War II, there were two estates here. The first larger one is Nowa Wrona with an area of 95.05 ha. it belonged to Hersz Segen. The second estate, smaller Nowa-Wrona Lit "H", with an area of 60.66 ha. it belonged to Kazimierz Salamonowicz.Here was born in 1907 year Lieutenant Mieczyslaw Salamonowicz murdered by soviets in Katyń (1940).