Introduction to the Friday Mosque: The Jamé Mosque of Isfahan is the Jamé Mosque of Isfahan. It is located in the historical center of Isfahan and is the oldest existing building of this kind in Iran. , and also served as the prototype for subsequent mosque designs throughout Central Asia. The mosque complex covers an area of ​​more than 20,000 square meters. It is also the first Islamic building to be constructed in accordance with the needs of Islamic religious architecture in the four-courtyard layout of the Sassanid Palace. Its double-layered ribbed dome was an architectural innovation that inspired architectural design throughout the region.