Białystok is situated in the Białystok Uplands ( Polish : Wysoczyzna Białostocka ) of the Podlaskie Plain ( Polish : Nizina Północnopodlaska ) , part of what is known collectively as the Green Lungs of Poland .
Białystok is in the Białystok Uplands ( Polish : Wysoczyzna Białostocka ) of the Podlaskie Plain ( Polish : Nizina Północnopodlaska ) , part of what is known collectively as the Green Lungs of Poland .