Yuri II of Vladimir was a 13th-century Grand Prince who ruled the Principality of Vladimir-Suzdal during the Mongol invasion. Born in Suzdal in 1188, he was the son of Vsevolod III and eventually succeeded his brother, Konstantin, to the throne. He is recognized for establishing the fortress of Nizhny Novgorod in 1221 to secure strategic trade routes. His reign concluded during the devastating Mongol conquest, as he was killed during the Battle of the Sit River in 1238.