The Jāmeh Mosque of Borujerd is a congregational mosque in Borujerd, in the province of Loristan, western Iran. The mosque is the oldest mosque in the Zagros area and western Iran. It ranks as No. 228 in the Inventory of National Artefacts of Iran.
The mosque located in the old district of Borujerd city previously called Do Dangeh. Jameh Mosque of Borujerd was built on an ancient fire-temple of the pre-Islamic Sassanid dynasty.
Wikipedia https://en.wikipedia.org/wiki/Jameh_Mosque_of_Borujerd
Coordinates 33°53'45.095" N 48°45'47.969" E
