Principality of Vyazma
Вяземское княжество
Rus' in 1389
Capital Vyazma
Government Monarchy
Historical era Middle Ages
 -  Established 1239
 -  Disestablished 1403

The Principality of Vyazma (1239-1403 ) - is ane ancient Russian principality, separated from the Principality of Smolensk principality in 1239, during the period of feudal fragmentation in Russia. Its capital was the city of Vyazma .


The Principality of Vyazma was created in 1239 and inherited Andrei Vladimirovich Dolgaya Ruka, son of the Grand Prince of Kiev Vladimir Ryurikovich. The descendants of Andrei Vladimirovich ruled the Principality of Vyazma until 1403, when the principality city was annexed by the Grand Duchy of Lithuania. However, the Princes of Vyazmaretained their rights to under Lithuanian rule.

In 1493, Vyazma was annexed to the Grand Principality of Moscow, and its rulers lost their rights to reign and became serving princes at the Moscow court.