The designation 'Schron bojowy dwusektorowy. Regelbau B1-6' refers to a standardized two-sector combat shelter from the German Regelbau (standardized construction) system used during World War II. The term 'dwusektorowy' indicates a design with two separate defensive sectors or rooms. Such structures were part of the extensive fortification programs along the Atlantic Wall, the Eastern Front, and other occupied territories, including areas of modern-day Poland. These bunkers were typically built by German engineering units or forced labor and integrated into larger defensive networks.
Given the coordinates in western Poland, this site would have been constructed during the German occupation (1939-1945) as part of the defensive infrastructure for the Eastern Front or regional strongpoints. The Regelbau B1-6 was a specific type designed for infantry defense, often featuring thick reinforced concrete walls, embrasures for small arms and machine guns, and internal divisions to allow two defensive sectors to fire on approaching enemies from different angles. Its purpose was to provide protected positions for soldiers, slowing Allied or Soviet advances.
Today, the structure likely exists as a concrete ruin, partially buried or overgrown, common to many abandoned WWII fortifications in Poland. Its current state would depend on post-war demolition attempts, natural decay, and any recent clearance or preservation efforts. The site serves as a physical relic of the Atlantic Wall and Eastern Front fortification systems, attracting interest from military historians and urban explorers (urbex) studying German wartime engineering. No specific historical events or unit assignments are confirmed for this exact coordinate from the provided information.