Porosłe is a village in the administrative district of Gmina Narewka, within Hajnówka County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It lies approximately 7 kilometres north-east of Narewka, 24 km north-east of Hajnówka, and 50 km south-east of the regional capital Białystok. Wikipedia