Czarna Biaà Âostocka is a town in north-eastern Poland. It is the seat of Gmina Czarna Biaà Âostocka, situated in Biaà Âystok County in the Podlaskie Voivodeship, having previously been in Biaà Âystok Voivodeship (1975-1998). As of December 2021, the town has a population of 9,032.