☦ Trinity Lavra of St. Sergius - Sergiev Posad The Trinity Lavra of St. Sergius (Russian: Trinity Lavra of St. Sergius) is a lavra and the most important Russian monastery, being the spiritual center of the Russian Orthodox Church. The monastery is located in the town of Sergiyev Posad, about 70 kilometers (43 mi) to the northeast from Moscow by the road leading to Yaroslavl, and currently is home to over 300 monks. Photo: Alexander Grishin · CC BY-SA 3.0