Sad Al-Saltaneh Carvanserai built by according to Sad Al-Saltaneh's order (dead, 1325Hq), the commander of Qajarie in Qazvin.The most valuable part is it's four-leads that is formed from two sides intersection,there is a tiling dome over it, four semi-dome surround the dome that it makes the space bigger. Sad Al- Saltaneh Carvanserai by the area of 6.2 hectare is one of the greatest commercial places in Iran.
