Heydarieh Mosque ( fa, مسجد حیدریه قزوین) is a building in the city of

Qazvin Qazvin (; fa, قزوین, , also Romanized as ''Qazvīn'', ''Qazwin'', ''Kazvin'', ''Kasvin'', ''Caspin'', ''Casbin'', ''Casbeen'', or ''Ghazvin'') is the largest city and capital of the Province of Qazvin in Iran. Qazvin was a capital of the ...

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

. Although renovated by ''Amir Khomär-täsh'' (

Malikshah Jalāl al-Dawla Mu'izz al-Dunyā Wa'l-Din Abu'l-Fatḥ ibn Alp Arslān (8 August 1055 – 19 November 1092, full name: fa, ), better known by his regnal name of Malik-Shah I ( fa, ), was the third sultan of the Great Seljuk Empire from 1072 to ...

's vizier) after the earthquake of 1119 CE, the history of construction of this edifice goes back to pre-Islam, where it was a

Zoroastrian Zoroastrianism is an Iranian religion and one of the world's oldest organized faiths, based on the teachings of the Iranian-speaking prophet Zoroaster. It has a dualistic cosmology of good and evil within the framework of a monotheistic on ...

fire temple. The building today sits in the yard of an elementary school, and functions as the school's library and auditorium.

See also