[1] The oldest part of the mosque is said to have been constructed by the orders of Harun al-Rashid in 807 CE.

The double layered main dome of the mosque is from the Seljuk era, and is locked to the public.

[2] In spite of the devastating Mongol invasion, the mosque still stands today.

The mosque also contains a Shabestan and Ab anbar, both now under the protection of Iran's Cultural Heritage Organization.

This article about a mosque or other Islamic place of worship in Iran is a stub.