Kosianka-Trojanówka


Kosianka-Trojanówka is a village in the administrative district of Gmina Grodzisk, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately west of Grodzisk, north-west of Siemiatycze, and south-west of the regional capital Białystok.
The village has a population of 30.