The Bunker Complex Ungerberg is a former Austrian military bunker located in Carinthia, Austria. Built during the Cold War era as part of Austria's secret defensive network, this bunker was designed to withstand potential attacks from NATO or Warsaw Pact forces. The complex features an impressive two and a half metre thick concrete encasement, showcasing the extensive efforts made to ensure its durability and defensive capabilities.
The interior of the bunker includes a telephone exchange, a medical room, and even a niche for coffins, highlighting its comprehensive design for prolonged military operations. A decommissioned howitzer, still in working order due to careful maintenance, remains on site as a testament to the bunker's historical significance. Since its decommissioning, the Bunker Complex Ungerberg has become part of Austria's military heritage, offering insights into the country's Cold War defensive strategies and the broader context of European military history during this tense period.