[1][2] The hill, which rises about 210 meters above the surrounding plain, was previously called Maras or Marabin after a village near there, and it is by that name that the site is referred to by Arab historians.

Several buildings in the cluster have a classic chartaq "four arch" floor-plan, characteristic of Zoroastrian fire-temples of the 3rd century onwards and that are the actual atashgahs that housed sacred fires.

[7] Alireza Jafari Zand published his collection of reports and studies on "Isfahan before Islam" in the form of a book of the same name in 2002.

The idea of having a circular plan is comparable to a building called "Chahak Fire Station" in Qom province.

[10] In 2002 archaeologist Alireza Jafari Zand published a report on pre-Islamic Isfahan in which he emphasizes the religious role of the complex, and with reference to radiocarbon dating suggests that the construction was Elamite (pre-6th century).