What is "ashuradeh"

Ashūradeh , or Ashur Ada, is the only island of the Iranian coast of the Caspian Sea. Ashuradeh's surface is . It is located on the eastern end of the Miankaleh peninsula in the county of Behshahr of Māzandarān Province of Iran, from Bandar Torkaman and from Gorgan.

The island can be reached via Bandar Torkaman. Over 40% of Iran's caviar is produced near Ashūradeh Island.