Agios Nilos (also spelled Agios Neilos; Greek: Άγιος Νείλος) is the name of an area of Mount Athos that belongs to the Monastery of Great Lavra.

[2] It is located on the southeastern side of Mount Athos.

Today the monks at Agios Nilos are engaged in hagiography and handicrafts.

The Cave of Saint Nilos the Myrrh-streamer, also known as the Cave of Saint Petra of the Virgin Mary, is located in a location called Perdiki.

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