[custom_adv] Isfahan has a population of approximately 1.6 million, making it the third largest city and Mashhad, but was once one of the largest cities in the world. [custom_adv] Isfahan is an important city as it is located at the intersection of the two principal north–south and east–west routes that travers. Isfahan flourished from 1050 to 1722, particularly in the 16th and 17th centuries under the Safavid dynasty when it became the capital of Persia for the second time in its history under Shah Abbas the Great. [custom_adv] It is famous for its Perso–Islamic architecture, grand boulevards, covered bridges, palaces, tiled mosques, and minarets. Isfahan also has many historical buildings, monuments, paintings and artefacts. [custom_adv] The Naghsh-e Jahan Square in Isfahan is one of the largest city squares in the world. UNESCO has designated it a World Heritage Site. [custom_adv] Isfahan has a population of approximately 1.6 million, making it the third largest city and Mashhad, but was once one of the largest cities in the world. [custom_adv] Isfahan is an important city as it is located at the intersection of the two principal north–south and east–west routes that travers. Isfahan flourished from 1050 to 1722, particularly in the 16th and 17th centuries under the Safavid dynasty when it became the capital of Persia for the second time in its history under Shah Abbas the Great. [custom_adv] The Naghsh-e Jahan Square in Isfahan is one of the largest city squares in the world. UNESCO has designated it a World Heritage Site.