It is a historical mosque in Kashan, Iran. The mosque was built in the late 18th century by master-mimar Ustad Haj Sa’ban-ali, the mosque and theological school is located in the center of Kashan. Agha Bozorgh Mosque was constructed for prayers, preaching and teaching sessions held by Molla Mahdi Naraghi II, known as Agha Bozorgh.