Causes of Ardaxhir's khorhe trade expansion during the period of Azedollah Dawlah and its decline

Ardeshir was the second largest province of Fars province, the province was one of the most important empires of the Sassanid kingdom. The existence of such cities as Gur and Syraf, and later Shiraz, as the main trading centers on the one hand, and the existence of a fire temple in Karyan, where the place of worship Clerics and priests. On the other hand, it has given a great role to the region. The trade of Ardashir province during the first Sultanate of Al Boyah and especially the era of Azedollah Dawlah Deylami reached its peak, and the Golden Age experienced its trade in the early Islamic centuries. But this prosperity ended after the death of Azd al-Dawlah Deylami, and a series of factors contributed to the trade of the province on the path to decline and decline. In this article, we will try to examine the evolution of these events.