Zein-o-Din is one of the thousand caravanserais built in the 16th century at the direction of Shah Abbas on the Great Silk Road. Today it is located near the modern highway number 71, connecting the cities of Yazd and Kerman. This is one of two traditional caravanserais in Iran that are built in a circle shape. And at the same time not in the city, as was customary, but in the desert. In 2006, the Zein-o-Din caravanserai was restored and restored, for which it received gratitude from UNESCO. Now it is one of the most unusual hotels in Iran.