The Sa’d al-Saltaneh Caravanserai Posted on June 13, 2019June 13, 2019 by Admin The Caravanserai of Sa’d al-Saltaneh is a large Caravanserai located in the city of Qazvin in the Qazvin Province of Iran. Built during the Qajar era, this caravanserai is one of Persia’s best preserved urban caravanserais.