The city of Isfahan in the central part of Iran, with a population of more than 2 million people, is the third most populous city and the second economic city in terms of geopolitics in Iran. The existence of some important industries such as steel, iron and petrochemical product factories in this province and their exports have increased the gross national product of the country, and it has an important role. Isfahan is a city where different religions coexist, such as Muslims, Christians and Zoroastrians so many historians have considered Isfahan a big museum where people live. Magnificent Iranian Islamic architecture, more than 9 historical bridges on the Zayandeh-roud River and two monuments of Naqsh-e Jahan Square and Jame Mosque of Isfahan (Jameh Mosque of Isfahan), which have been registered in the world by UNESCO, and membership as a UNESCO creative city in the field of handicrafts with more than 60% of the country's production allocated an essential role in attracting tourists to this city. In the field of international relations, Isfahan has sisterhood agreements with 15 cities all around the world and is a member of 13 international organizations.