[2][3][4] The builder (patron) of this large caravanserai is Sa'd al-Saltaneh, the ruler of Qazvin during the Qajar era.

[5] With an area of 6.2 hectares, the caravanserai is built on a square plan, has 4 iwans facing a courtyard.

The Hujrehs, or the rooms for the travelers, are situated one meter above the courtyard ground level.

[6] The eastern-western axis of the Hashti is called Dalan-i Qeisariyeh (دالان قيصريه ) or "Caesar's Hall", and the north–south axis of the Caravanserai's Hashti is named Dalan-i Ghahremani (دالان قهرماني) or "Ghahremani Hall".

Media related to Sa'd al-Saltaneh Caravanserai at Wikimedia Commons