The monastery of the Theotokos Eleousa at Stroumitza in Macedonia, founded by the bishop of this city at the end of the 11th century is an original one. Despite it was a little monastery, despite its scarce endowment, a part of the documents it issued or received reached us, even its cartulary carried out by the Athonite monks of Iviron, transcribed about 150 years ago, cannot be found any more. This article tries to reconstitute the history of these archives and points out where this monastery, which became a metochion of Iviron, is mentioned.