Odeon at Kom el-Dikka

The odeon at Kom el-Dikka was constructed in the fourth century CE and rebuilt in the late fifth to first half of the sixth century CE. Its construction was part of a larger building project in Alexandria that redesigned civic space, including an imperial bath complex and a large portico. In its first phase, the odeon was an open air theater-like structure with 16 to 17 rows of seating. In the second phase, the odeon was reduced to 13 rows of seats and dome added to create a covered space. The vestibule and main room of the odeon were decorated with mosaics and wall-paintings. The odeon initially probably served as a location for staging plays and musical performances, and later, beginning in the 6th century, likely became part of an academic complex which included numerous auditoria, or lecture halls. As part of that complex, it was likely used to host public orations and declamations before an audience. Graffiti indicate that the odeon was a probably also a meeting place for the faction of the Greens. 

A Polish-Egyptian team has been excavating in the area continuously since 1960. The odeon was reconstructed in 1966-67.