Arasbārān or Qaradağ (Azerbaijani: قره‌داغ), is a UNESCO

UNESCO

The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations...

 registered biosphere in East Azarbaijan Province

East Azarbaijan Province

East Azerbaijan Province or East Azarbaijan Province is one of the 31 provinces of Iran. It is in the northwest of the country, bordering Armenia and the Republic of Azerbaijan, and the provinces of Ardabil, West Azerbaijan, and Zanjan...

, Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

, with a varying altitude from 256m in the vicinity of Aras River to 2896m and covers an area of 78560 hectares. It include some historical places like Babak Khorramdin

Babak Khorramdin

Bābak Khorram-Din was one of the main Persian revolutionary leaders of the Iranian Khorram-Dinān , which was a local freedom movement fighting the Abbasid Caliphate. Khorramdin appears to be a compound analogous to dorustdin and Behdin "Good Religion" , and are considered an offshoot of...

's Castle. The biosphere is also home for 23,500 nomad

Nomad

Nomadic people , commonly known as itinerants in modern-day contexts, are communities of people who move from one place to another, rather than settling permanently in one location. There are an estimated 30-40 million nomads in the world. Many cultures have traditionally been nomadic, but...

s who are living in transition buffer in 2000 altitude.