A military structure designated 6/4/D1, located near the town of Hlohovec in the South Moravian Region of Czechia, close to the Austrian border. The site is situated in an area that was part of the Soviet sphere of influence during the Cold War. The provided web search results discuss general Cold War relics and defense spending in the Czech Republic but do not contain specific historical or technical information about this particular structure.
Therefore, its exact purpose, construction date, and current condition remain unconfirmed by available sources.