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مهدئ شهر
Mehdishahr is located in Iran
Coordinates: 35°42′39″N 53°21′14″E / 35.71083°N 53.35389°E / 35.71083; 53.35389Coordinates: 35°42′39″N 53°21′14″E / 35.71083°N 53.35389°E / 35.71083; 53.35389
Country  Iran
Province Semnan
County Mehdishahr
Shahrestan Central
Population (2006)
 • Total 20,581
Time zone IRST (UTC+3:30)
 • Summer (DST) IRDT (UTC+4:30)
Area code(s) +98 (232)

Mehdishahr (Persian: مهدئ شهر‎‎, also Romanized as Mehdīshahr;[1] formerly, Sang-e Sar (Persian: [2] سَنگِ سَر‎‎, also Romanized as Sang-i-Sar[3] and Sangsar)[4] is a city in and capital of Mehdishahr County, Semnan Province, Iran. At the 2006 census, its population was 20,581, in 5,473 families.[5]

Mehdishahr is located on the southern slopes of the Alborz mountains. Here, the chain of Alborz mountains is very close to the desert of Dasht-e Kavir. Sangsar, specially the northern part of it, is completely mountainous with cold winters, heavy snowfalls but with mild summers.

The distance between Sangsar city and Semnan city is 20 kilometers. The altitude is about 1630 meters above sea level.

View of the old town with mosque in the background

The primary religious belief in the area now is Shi‘ite Islam, but before the Islamic Revolution, there were many Bahá'ís in Sangsar, who had to migrate from the city after the revolution, due to a wide range of persecutions. As for other towns of Iran, the name has thus been changed by the Islamic authorities into Mahdishahr as if to signal its imposed pure Muslim identity. Mahdi is the Shia Muslim hidden Imam and Shahr means town in Persian, so Mahdishahr literally means town of Mahdi.

The most important network of roads consists of Semnan to Sangsar to Shahmirzad to Fooladmahale axis which connects these places with the city of Sari. This road connects the two provinces of Mazandaran and Semnan.


Almahdi mosque

Sangsar area has an old history which goes back to 1st millennium BC. First inhabitants of Sangsar used to worship moon and stars. There are some theories about Sangsar name; One of them emphasizes about a Saka origin and suggests the name used to be Sakasar or Saksar which means Saka (scythian) settlement.

Notable residents[edit]

Majid Derakhshani, musician and composer

Sister cities[edit]

Sangesar has signed the treaty of city twinning with the following cities:

See also[edit]

Prof. Cheraghali Azami Sangsari Prof. Alexander M. Seifalian [6]


Sangsar district, by: Taghi Taheri, Plan & Budget Bureau of Semnan, Semnan March 1977


  1. ^ "Mehdīshahr: Iran". Geographical Names. Retrieved 2011-01-30. 
  2. ^ "سَنگِ سَر: Iran". Geographical Names. Retrieved 2011-01-30. 
  3. ^ "Sang-i-Sar: Iran". Geographical Names. Retrieved 2011-01-30. 
  4. ^ Sangsar can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "10601188" in the "Unique Feature Id" form, and clicking on "Search Database".
  5. ^ "Census of the Islamic Republic of Iran, 1385 (2006)". Islamic Republic of Iran. Archived from the original (Excel) on 2011-11-11. 
  6. ^