Nea Erythraia is an affluent and green suburb in the northern part of the Athens metropolitan area, near Kifisia. It is considered one of the quieter and more well-organized residential areas, with a strong suburban character and high quality of life.

The area is characterized by low to medium-density housing, wide streets, parks, and residential neighborhoods, along with a local commercial center featuring cafés, restaurants, and shops. Its proximity to Kifisia and the green areas of Mount Penteli reinforces its "green suburb" identity.

Nea Erythraia is especially popular among families and residents seeking tranquility, safety, and easy access to both northern and central Athens. It combines urban convenience with a more relaxed pace of life.