Hashtrood (Hasht Rud) is to the southeast of Tabriz (in East Azarbaijan Province), its capital city being Hashtrood is 122 km. far from Tabriz. This vicinity has a rural setting with 8 important rivers flowing through this area ( as its name suggests Hasht means eight and Rood means river). Hashtrood has a variable climate, a part of its western sector, being mountainous and cold, part of its central portions are moderate.
The remnants of the famous castle of Zahak is situated here, and earthenware related to much before the birth of Christ have been found in this territory. This castle was in use during the Esmaili reign.