People who love sweets are definitely fascinated by Sohan Qom and Gaz in Isfahan. Iran is considered the center of pistachio production in the world and is the best place for foreign tourists to take it as a souvenir. Saffron is one of those souvenirs called red gold and is widely used in Iranian foods and pastries. The saffron industry hub is the city of Mashhad. Rose water is another great souvenir of Iran that is extract of roses or rose and is best sold in Kashan. In fact, today the city of Kashan in Isfahan province with the production of 4 thousand tons of rose water is the largest producer of this product in the world.