Acharnes is a large municipality located in the region of Athens, in southern Greece. It lies on the northern edge of the Athens metropolitan area, combining dense urban development with nearby natural landscapes at the foothills of Mount Parnitha.

The area is one of the most populous municipalities in Attica and includes residential neighborhoods, commercial zones, and industrial areas. Despite its urban character, its proximity to Mount Parnitha provides easy access to forests, hiking trails, and natural escapes just outside the city.

Acharnes blends city life with access to nature, making it a diverse and dynamic part of greater Athens. Its location offers both everyday urban convenience and opportunities for outdoor recreation nearby.