Sianno | |
|---|---|
Village | |
  Sianno | |
| Coordinates: 52°19′6″N 20°18′37″E / 52.31833°N 20.31028°E | |
| Country |  Poland |
| Voivodeship | Masovian |
| County | Sochaczew |
| Gmina | Brochów |
| Population | 81 |
Sianno [ˈɕannɔ] is a village in the administrative district of Gmina Brochów, within Sochaczew County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 4 kilometres (2 mi) east of Brochów, 12 km (7 mi) north-east of Sochaczew, and 49 km (30 mi) west of Warsaw.