A military bunker located near Saint-Nazaire, France, situated in the Loire-Atlantique department. This coastal region was heavily fortified during World War II as part of the German Atlantic Wall defensive system. Saint-Nazaire itself was a strategic port city that housed one of the largest submarine bases in occupied France, making it a key target for Allied forces.
The area remains of significant interest to military history enthusiasts and urban explorers studying World War II fortifications.