A military bunker located near the coastal town of Primorsko, Bulgaria. The site lies within a region that, like much of Bulgaria, contains numerous 20th-century fortifications from various periods, including Cold War-era structures. Bulgaria's military heritage includes a significant number of bunkers built during the Soviet-aligned period for civil defense and potential nuclear scenarios, as well as earlier fortifications.
The specific history, function, and construction details of this particular unnamed structure are not confirmed by the available information. The bunker is situated in a geographical context marked by the country's complex military history, from early fortifications through the Communist era. Current physical condition and accessibility are unknown without on-site verification.