| Siemień Nadrzeczny | |
|---|---|
| Village | |
| Coordinates: 53°8′N 22°10′E / 53.133°N 22.167°E | |
| Country |
|
| Voivodeship | Podlaskie |
| County | Łomża County |
| Gmina | Gmina Łomża |
Siemień Nadrzeczny [ˈɕɛmjɛɲ naˈdʐɛt͡ʂnɨ] is a village in the administrative district of Gmina Łomża, within Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 7 kilometres (4 mi) south-east of Łomża and 67 km (42 mi) west of the regional capital Białystok.
Coordinates: 53°8′N 22°10′E / 53.133°N 22.167°E