Medieval principality, between the Oka River and the Upper Volga , northeastern Russia.
Ruled by a branch of the Rurik dynasty during the 12th–14th centuries, it united with Rostov and in the 12th century with Vladimir. Suzdal-Vladimir achieved great political and economic importance, but in the 13th–14th centuries it disintegrated into small principalities, which ultimately were absorbed by Moscow. See also Vladimir-Suzdal school .