 The English translation of Białystok is " white slope " . Due to changing borders over the centuries , the city has been known as Belarusian : Беласток ( Byelastok ? , Biełastok ? [ bʲeɫaˈstok ] ) , Yiddish : ביאַליסטאָק ( Byalistok , Bjalistok ) , Ukrainian : Білосток ( Bilostok ) , Lithuanian : Baltstogė ( Balstogė ) , and Russian : Белосток ( Belostok ) . 
