East Azerbaijan Province is one of the 31 provinces of Iran. It is located in Iranian Azerbaijan, bordering with Armenia, Republic of Azerbaijan, Ardabil Province, West Azerbaijan Province, and Zanjan Province. The capital of East Azerbaijan is Tabriz. East Azerbaijan Province is in Regions 3 of Iran, with its secretariat located in its capital city, Tabriz.
East Azerbaijan is one of the most archaic territories in Iran. During the reign of Alexander of Macedon in Iran (331 BCE), a warrior known as Attorpat led a revolt in this area, then a territory of the Medes, and thereafter it was called Attorpatkan. Since then this vicinity has been known as Azarabadegan, Azarbadgan and Azarbayjan.
Some of the major industries in East Azerbaijan are glass industries, paper manufacturing, steel, copper and nepheline syenite, oil refinery, petrochemical processing facilities, chemical products, pharmaceutical processing, foundries, vehicle and auto-parts industries, industrial machines, agricultural machine, food industries, leather and shoe industries.