Damghan, Tari, Khana Minaret, 8th century. This is the oldest extant mosque in Iran and although in the simple Arab plan it retains many elements recalling Iran's pre-Islamic heritage. The massive piers and the shape of the arches follow Sasanian prototypes. Although its foundation dates from the eighth century and it has been restored on several occasions, the mosque will keeps its originial plan and impressive simplicity.
with an area of 95815 Square kilometers, the Province of Semnan is located to the east of the province of Tehran. It includes 4
districts which are: Semnan, Shahrood, Damghan and Garmsar.
The province of Semnan is located on the south of the
mountainous chain of Albors, in which the height of the land decease
southward, and it is connected to the Kaveer desert from the south.
So this province is consisted of two major geographical area; the
mountainous to the north, and the fertile outskirts and plains to
the south, The mountainous area contains mines as well as some
beautiful landscapes, while the outskirts have been suitable to the
establishment of the old citeis during the history.
