The Sangi Caravanserai (Stone Caravanserai ) is a Safavid dynasty caravanserai located in Zanjan city , Zanjan province , Iran .
The caravanserai is the oldest remained monument in Zanjan city . It has a four iwans (porches) plan and it’s rooms (Persian : hojrehs) are located on one floor . The ceiling of the caravanserai is arcuate . Using of stone as the main material in the building, is caused that the caravanserai is reputed as Stone Caravanserai.
Sangi caravanserai was registered in national index in 1998 by the Iranian Cultural Heritage Organization with number 2128 .