Sergio Nuromski was a Greek-born monk and a disciple of Sergius of Radonezh who lived in Russia during the 14th and 15th centuries. After taking his monastic vows on Mount Athos, he moved to Russia to serve under his mentor. Seeking greater solitude for prayer, he eventually settled in the forests near the Nurma River. There, he established a monastic community that grew significantly, eventually founding the Spaso-Nuromsky Monastery, which became a prominent religious center in the region.