he mosque and the square where it is located are named after Amir Jalaleddin Chakhmaq, a governor of Yazd during the Timurid dynasty (15th-16th century).
It is the largest structure in Iran, famous for its superb portal ornamented with stucco, and the traditional four-ivan structure on a courtyard. In the centre are two very tall minarets.
It is also known as the Jame' Nou Mosque. The mosque is a relic of the Safavid period, and was constructed by Amir Jalaleddin Chakhmaq Shami and his spouse Fatimeh Khatoon (Seti Bibi). Amir Chakhmaq was the governor of the time in Yazd, and one of the Teimoorids commanders, who was held in high esteem by the monarch Shahrokh. The mosque was completed in the 14th century.