Yerevan Metro
The Karen Demirchyan Yerevan Metro (Armenian: Կարեն Դեմիրճյանի անվան Երևանի մետրոպոլիտեն, Karen Demirchyani anvan Yerevani metropoliten; since December 1999), colloquially known as the Yerevan Subway (Armenian: Երևանի մետրո), is a rapid transit system that serves the capital of Armenia, Yerevan. Opened on 7 March 1981, it was the eighth metro system in the former Soviet Union.