Waniewo is a village in the administrative district of Gmina Sokoà Ây, within Wysokie Mazowieckie County, Podlaskie Voivodeship, in north-eastern Poland.
It was a private town, administratively located in the Bielsk County in the Podlaskie Voivodeship in the Lesser Poland Province of the Kingdom of Poland.
Following the German-Soviet invasion of Poland, which started World War II in September 1939, the town was occupied by the Soviet Union until 1941, and then by Nazi Germany until 1944.