Due to the tragic events of the last century, the life of Russian monasticism on Mount Athos at the turn of the XIX-XX centuries. remained completely unknown to our contemporary. This book contains detailed historical information about the largest Russian monastery on Mount Athos - St. Andrew's Skete, as well as about the most significant Russian cells. Much attention is paid to Russian-Greek relations on the Holy Mountain at the beginning of the 20th century. A separate chapter is devoted to the unique monastic organization of Mount Athos "Brotherhood of Russian Cells."