Dvin was a large commercial city and the capital of early medieval Armenia. It was situated north of the previous ancient capital of Armenia, the city of Artaxata, along the banks of the Metsamor River, 35 km to the south of modern Yerevan. It is claimed it was one of the largest cities east of Constantinople prior to its destruction by the Mongols in the 13th century, but with an overall area of approximately 1 km2, it was far smaller than many of the great cities of Asia.
The site of the ancient city is currently not much more than a large hill located between modern Hnaberd and Verin Dvin, Armenia. Excavations at Dvin since 1937 have produced an abundance of materials, which have shed light on the Armenian culture of the 5th to the 13th centuries.
Wikipedia https://en.wikipedia.org/wiki/Dvin_(ancient_city)
Address Armenia
Coordinates 40°0'16.423" N 44°34'44.548" E