The church in the village of Nayjin-Bulak, Three Rivers settlement was located near Mo'ergele River in present day Na Jigacha, Old Barag Banner, Hulunbuir, Inner Mongolia.
According to Fr. V. Gerasimov, in "Review of the Dioceses of Harbin on October 1, 1939", Heavenly Bread, Harbin, 1939, No. 10, pg. 95, the temple in the name of St. Nicholas was built in 1937 with the funds of parishioners. The rector was Fr. G. Kiashko (or Kiyashko), and the churchwarden was A.P. Baranov.