The Duzdagh Salt Cave Therapy Center, located in the Nakhchivan Autonomous Republic of Azerbaijan, is a renowned health retreat known for its unique salt therapy. Carved within the Duzdagh mountain, which means 'Mountain of Salt', the center is housed in old salt mines that date back to the medieval times. Spreading over 1,300 meters, the caves are famous for their microclimate with the air rich in minerals and negative ions, which are believed to have therapeutic properties. The constant temperature and humidity, along with the absence of allergens and bacteria, create an ideal environment for treating respiratory diseases like asthma, bronchitis, and allergic rhinitis. Visitors experience 'speleotherapy', where they simply inhale the salty air while resting or walking through the caves. The Duzdagh Salt Cave Therapy Center is not only a medical facility but also a tourist attraction, allowing guests to explore the depths of the mountain and learn about the history of salt mining in the region while improving their health. Equipped with a hotel, the center provides comfortable accommodation to prolong the healing experience.