Ya'qub ibn al-Layth Mausoleum
Dezful County, Iran
The Tomb of Ya'qub ibn al-Layth al-Saffar or Yaghub Leys Safari was built by the Saffarid dynasty and this building is located in Gundeshapur in Dezful County, Khuzestan Province, Iran. It is the tomb of Ya'qub ibn al-Layth al-Saffar, the founder of the Saffarid dynasty.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).