VYAZMA, a town of Russia in the Smolensk province in 55° 11' N., 34° 19' E., at the confluence of the Berba and Vyazma rivers. Pop. (1926) 17,217. It is a railway junction and has leather, oil-pressing and match factories. In the 11th century it was a trade centre linked with Narva on the Gulf of Finland. It was captured by Lithuania in the 15th century, but later be came Russian. From 1611-34 it was under Polish rule.