The Impact of Insecurity on the Shiraz Decline in the Second Half of the Governorate of Al Boyah (447-372 AH)

Shiraz for a period of fifty years were a period of development and prosperity by selecting the center of dynasty Buwayhids. After the death of Azad aldvlh and there is also Conflict over the the succession problem ownership of Kingdom, fields degeneration and distress and decline of Shiraz was prepared. The law lack of acceptance of for electing a replacement led to to each of rulers at the beginning of his reign with the claims or encounter pretenders. A long period of insecurity and instabilityparticularly in Fars and Shiraz came into existence.Not only the possibility to engage in construction activities due to the insecurity and continuing conflicts was not possiblebut also the city was looted and was destroyed many buildings and neighborhoods by hostile forces. Besides the basic needs of the urban network supplier was damaged as well as the slump acceleration the decline in the trading due to the insecurity and changing trading routes and natural disasters, which reduces the income became trade. Ultimately Seljuks attacks the urban of life for a long time to decline. In the present research effort is to effective factors in the process of stagnation and decline of of Shiraz during Buyid relying on library studies and with the descriptive method analytical and the historical approach to explain