Casillas Viejas is a military bunker located in the province of Granada, Andalusia, Spain. The site is situated in a rural area near the town of Casillas Viejas, which is part of the municipality of Huéscar. While specific details about this particular bunker are limited in the available search results, the region has a history of military installations dating back to various periods, including the Spanish Civil War and the Cold War era.
The presence of U.S. military bases in Southern Spain during the Cold War period suggests that this area may have been part of a broader network of military installations in the region.