Mazewo [maˈzɛvɔ] is a village in the administrative district of Gmina Szczuczyn, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland.^[1] It lies approximately 4 kilometres (2 mi) west of Szczuczyn, 18 km (11 mi) south-west of Grajewo, and 80 km (50 mi) north-west of the regional capital Białystok.