Karaj is the capital of Alborz Province, Iran, and effectively a suburb of Tehran. the urban area is the fourth-largest in Iran, after Tehran, Mashhad, and Isfahan. The earliest records of Karaj date back to 30th century BC. The city was developed under the rule of the Safavid and Qajar dynasties, and is home to historical buildings and memorials from those eras.
shemiran gasht travel agency, will offer you to join Karaj Tour, for having the best moments in iran.