In proximity to Athens, there's an extended area which in contrast to the center is spacious, green and very beautiful. Besides the various local business are also a big revelation for every visitor.
High streets, beautiful groves and some of the best bars, street food and restaurants in the whole of Athens.
Depending on what you like we can give the respective focus:
This tour is a stroll through the areas of Chalandri-Agia Paraskevi-Vrilissia
https://www.trip2athens.com/city-areas/thesuburbs/voreiaproastia/halandri/attraction-564/
https://www.trip2athens.com/city-areas/thesuburbs/voreiaproastia/voreioanatolikiathina/?pageno=6