| Siennica-Święchy | |
|---|---|
| — Village — | |
| Country | Poland |
| Voivodeship | Podlaskie |
| County | Wysokie Mazowieckie |
| Gmina | Czyżew-Osada |
Siennica-Święchy [ɕenˈnit͡sa ˈɕfjɛ̃xɨ] is a village in the administrative district of Gmina Czyżew-Osada, within Wysokie Mazowieckie County, Podlaskie Voivodeship, in north-eastern Poland.[1]