Abbasabad (Persian: عباسآباد) was a fortress of strategic importance for the defense of the Nakhichevan Khanate.
[1] It was built with the help of French engineers by Abbas Mirza, the crown prince of Iran, in 1810.
[2] He appointed Ehsan Khan Kangarlu as commander of the fortress in 1827, during the Russo-Persian War of 1826–1828.
During a siege by the Russians, Ehsan Khan secretly arranged for the gates of the fortress to be opened to the Russian commander General Ivan Paskevich on 22 July 1827.
[1] During the Russian rule the fortress was abandoned and fell into ruin.