Białystok (pronounced i (lit. Balstogė, Belarusian Беласток, Ukrainian Білосток, Yiddish ביאַליסטאָק, Russian Белосток) - a city with poviat rights in north-eastern Poland, located on the North Podlasie Lowland, on the Biała River. Podlasie and the seat of the land authorities of the Białystok poviat.