Nitria (also called the Mountain of Nitria or Petoou Mpihosm in Greek and Latin sources) is one of the earliest Christian monastic sites in Egypt and is located in the Nitrian Desert. It was the first of the three major centers of Christian monastic activity in the Lower Egypt, the other two being Kellia and Scetis.
👉 Nitria (monastic site) in the context of Wadi El Natrun
Wadi El Natrun (Arabic: وادي النطرون, lit.'Valley of Natron'; Coptic: Ϣⲓϩⲏⲧ, romanized: Šihēt, lit.'measure of the hearts') is a depression in northern Egypt that is located 23 m (75 ft) below sea level and 38 m (125 ft) below the Nile River level. The valley contains several alkaline lakes, natron-rich salt deposits, salt marshes and freshwater marshes.
In Christian literature it is usually known as Scetis (Σκήτις in Hellenistic Greek) or Skete (Σκήτη, plural Σκήτες in ecclesiastical Greek). It is one of the three early Christian monastic centers located in the Nitrian Desert of the northwestern Nile Delta. The other two monastic centers are Nitria and Kellia. Scetis, now called Wadi El Natrun, is best known today because its ancient monasteries remain in use, unlike Nitria and Kellia which have only archaeological remains. The desertified valley around Scetis in particular may be called the Desert of Scetis.
There were three monastic centres in the Nitrian Desert in Late Antiquity. Around 330, Macarius the Egyptian established a monastic colony in the Wadi El Natrun (Scetis), far from cultivable land. In the 330s, Saint Amun founded Nitria, only 30 miles (48 km) southeast of Alexandria, using the rules of Saint Anthony. He founded a second centre, Kellia, on Anthony's suggestion, deeper into the desert. Kellia has been the object of scientific excavations. Only Scetis in the Wadi El Natrun remains a monastic site today.
Kellia ("the Cells"), referred to as "the innermost desert", was a 4th-century Egyptian Christian monastic community spread out over many square kilometers in the Nitrian Desert about 65 km (40 mi) south of Alexandria. It was one of three centers of monastic activity in the region, along with Nitria and Scetis (Wadi El Natrun). It is called al-Muna in Arabic and was inhabited until the 9th century. Only archaeological sites remain there today.