Zanjan Province

Zanjan Province (; also Romanized as Ostan-e Zanjan; ) is one of the 31 provinces of Iran. Located in Iranian Azerbaijan, it is part of Iran's Regions 3. Its capital is Zanjan city. Zanjan province, with an area of 36,400 km², has a mostly rural population of 1,015,734 (2011). The province lies 330 km northwest of Tehran, connected to it by a freeway. Zanjan is the happiest province in Iran.