Τhere is no meeting point. The audio tour is designed to start at the entrance of the Ancient Agora at Andrianou Str. The site is just a 4-minute walk from Thesion Urban Railway station (Green Line).
The tour ends at Dionysiou Areopagitou Str. Athens 11742 (in front of the Theatre of Dionysus). Near the metro station Acropolis.