Zein-o-Din Caravanserai

Zein-o-Din Caravanserai, also known as Robat-e Zein-o-Din, is located in Mehriz County, in Yazd Province, about 60 kilometres along the Yazd–Kerman road, and is considered one of the most distinctive historical and desert monuments in Iran. The caravanserai dates from the Safavid period. It was built on the orders of Shah Abbas I with Mohammad Soltan Yazdi as architect, and is one of the few circular caravanserais in Iran. Standing beside the historical Silk Road routes, it once played an important role in giving caravans a place to rest and keeping them safe. It was added to Iran's National Heritage list on 28 Mordad 1351 under registration number 926.

With its circular plan and fully brick construction, this historic building is one of the most unique examples of caravanserai architecture in Iran, with five semicircular towers attached to its main wall. The interior includes a polygonal central courtyard, porticoes, guest rooms, stables and a royal alcove (shahneshin). Today it still keeps its traditional structure and is used to accommodate travellers. The caravanserai is notable for its precise architectural symmetry, its use of geometric proportions and its simple yet durable construction elements, which reflect the engineering knowledge of the Safavid era.

Zein-o-Din Caravanserai can be reached via the Yazd–Kerman road, near Mehriz, and lies about 500 metres from the main road. The best time to visit is autumn, winter and early spring, when the desert climate is milder and you can stay overnight and enjoy the night sky. Besides its historical value, the complex now operates as an active tourist lodge, and visits should be carried out in line with the principles of protecting historical monuments and responsible nature tourism.