Amir Kabir dam also known as Karaj dam. The Amir Kabir dam is located 63 kilometres (39 mi) northwest of Tehran and 23 kilometres (14 mi) north of Karaj. Amir kabir Dam in Iran. Amir kabir Dam was constructed on the Karaj River and was the first multi-purpose dam. The initial studies for Amirkabir Dam took 22 years until 1956 when formal proceedings began and the dam was constructed in the period from 1957 to 1961.