A military bunker located near Wizna, Poland, in the Podlaskie Voivodeship. Wizna is historically significant as the site of the 1939 Battle of Wizna, where Polish forces defended fortified positions against German invasion during the opening stages of World War II. The region saw extensive military activity during both World War II and the Cold War era, with archaeological evidence revealing nuclear bunkers from the latter period.
Western Poland, including areas near Wizna, was heavily militarized during the Cold War after being taken over by Soviet forces following World War II.