Trześcianka

Trześcianka is a village in the administrative district of Gmina Narew, within Hajnówka County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 6 km north-west of Narew, 24 km north of Hajnówka, and 28 km south-east of the regional capital Białystok.

Trześcianka is mostly inhabited by Orthodox Belarusians.