Firuzkuh is a city and capital of Firuzkuh County, Tehran Province, Iran. At the 2016 census, its population was 17,500.It is located north-east of Tehran, in the middle of Alborz Mountains. Previously, it was part of Mazandaran Province.
The city has a relatively cool and windy climate. It has some natural attractions and is famous for them, including Tange Vashi, Boornic Cave, Roodafshan Cave, Village Gadook and the sight-seeing of villages like Varse-Kharan, Zarrin Dasht, Darreh-Deh, and Kaveh Deh.
Firuzkuh is rich in historical heritage and some of the most ancient objects in Tehran Province have been found there. Among its villages Darreh-Deh contains the most ancient places.
Wikipedia https://en.wikipedia.org/wiki/Firuzkuh
Coordinates 35°45'20.423" N 52°46'23.013" E