Zahhak Castle is a castle in East Azerbaijan Province,Hashtrood, 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...

. It is named after Zahhak

Zahhak

Zahhāk or Zohhāk is an evil figure in Iranian mythology, evident in ancient Iranian folklore as Aži Dahāka, the name by which he also appears in the texts of the Avesta...

, a figure in Persian mythology

Persian mythology

Persian mythology are traditional tales and stories of ancient origin, some involving extraordinary or supernatural beings. Drawn from the legendary past of the Iranian cultural continent which especially consists of the state of Iran, Afghanistan, Tajikistan and Central Asia, they reflect the...

. According to various experts, it was inhabited from the second millennia BC until the Timurid

Timurid Dynasty

The Timurids , self-designated Gurkānī , were a Persianate, Central Asian Sunni Muslim dynasty of Turko-Mongol descent whose empire included the whole of Iran, modern Afghanistan, and modern Uzbekistan, as well as large parts of contemporary Pakistan, North India, Mesopotamia, Anatolia and the...

 era. It was first excavated in the 19th century by British archeologists. Iran's Cultural Heritage Organization has been studying the structure in 6 phases.