Dreifaltigkeitskloster von Sergijew Possad
The poustinia was founded in 1734 as a branch of the great Trinity Lavra of St. Sergius in the immediate vicinity of the new Russian capital, St. Petersburg. Catherine Ivanovna, Peter the Great's niece, owned a manor on the bank of the Gulf of Finland. After her death Empress Anna presented the land to her confessor Varlaam, who was also in charge of the Trinity Lavra.