This building was discovered by accident, while removing the soil to search for the tomb of the Great Alexander by the Polish mission in 1960. Archeologists called it the Roman Theater when they discovered of marble stairs, but much controversy about the function of this ancient building. The excavation took nearly 30 years.

Continued Polish mission in conjunction with the University of Alexandria to the discovery of some study rooms next to the runway in February 2004, this will change the direction that the Roman amphitheater is a theater; It is possible he was using a large lecture hall for students, used as an auditorium at the celebrations designed.

Building included in the form of horseshoe or u character and consists of 13 rows of marble terraces numbered letters and Greece numbers to organize a sit down, starting from the bottom to accommodate about 600 people.

It is made of pink granite and in the top you will find the stands 5 compartments was left two balconies and the ceiling domes of these booths is based on a set of columns, based on terraces on the thick wall of limestone surrounded by another wall has been linked to a series of walls, basements, where the brackets the outer wall is a strong pillar of the wall of procedure. There are also two halls decorated with geometric mosaic of the entrance, which is located to the west.