Noushabad underground city Historical site as a historical attraction in Kashan. In 2004, the underground city of NoushAbad, or the local dialect of Owei, was discovered in depth, and in 2006, it was registered with the national historical monuments. This unique underground city, the largest underground city in the world, dates back to the Sassanid era and dates back to the age of 1500.
noushabad underground city