The church was founded in the early Christian centuries and was repaired in 1836.
The miraculous Holy Water
Dodecanese Governor General Mario Lago sent a water sample from this source for chemical testing in 1931 and analysis showed that the water contained ingredients that made it excellent for drinking as it was distinguished for its antiseptic properties in some infectious intestinal diseases.
The "Review of New Therapy and Practical Medicine" published in October of the same year the results of this analysis "Agios Soula Source - Cold, Subtotal, Sodium Nitride with Permanent Dry Residue Gr. 0.584o / cc. Excellent as a water table, especially the diseases of the exchange and energy of anti-tumor and antiseptic, continuing the development of some infectious intestinal diseases (elliptical, gastrointestinal, dysentery etc.)"
So when the Commander saw the components and properties of the water of St. Silas, he built an underground tank, a few meters from the south side of the monastery, to save water. From this tank the water led to a tap.
Miracles
There are many miracles in the treatment of skin diseases, and especially in the scabies, of those who have used Saint Silas holy water to wash. Some highlights are listed below:
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According to his own testimony, Elias Stamatellou from the village of Kalavarda, when he was a student, was about 12 years old when he chanted one of the lyrics of a tropar (reciting them melodically) at Saint Silas on the feast day. When the priests came out of the saints, the water of the fountain in the monastery was swollen and its shoes get wet, as were all the other pilgrims in the monastery. Then the waters turned backwards.
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An egyptian Bey, who was suffering from a skin disease, came to Rhodes and stayed at Mr. Andriko Kalligeros' hotel in Niohori. The hotelier saw his hands full of wounds and asked him about it. He replied that he was suffering from scabies and had been visited by many doctors, but no therapeutic advice had benefited him.
Then the hotelier showed him the priest - John Economou, a priest from Soroni, who had, fortunately, stayed in the same hotel and told him there was a good doctor in the village of Pope for this illness. He was then told the various miracles of St. Silas he had heard. The egyptian Bey went to Saint Silas, bathed in the spring's sanctuary and after a few days was completely healthy. When he returned to Egypt he would occasionally send various gifts to the monastery.
Designation
The chapel is dedicated to Saint Silas, the inseparable companion of Apostle Paul. Over the years, locals have given the name "St. Soulas", modifying the Saint's name to suit their local dialect. Since then the monastery became known by this name.
