Koutloumousiou monastery is
an Eastern Orthodox monastery at the monastic state of Mount Athos in Greece.
The monastery ranks sixth
in the hierarchy of the Athonite monasteries.
The monastery was raised
with the help of voivodes Nicolae Alexandru and Vladislav Vlaicu from
Among the treasures of the
monastery is the purported largest relic of the True Cross.
The library of monastery
contains 662 manuscripts and approximately 3,500 printed books.