Apamea (,
Apameia; ,
Afamia), on the right bank of the
Orontes River, is the site of a treasure city and stud-depot of the
Seleucid kings. It was the capital of
Apamene, became the capital and Metropolitan Archbishopric of Late Roman province Syria Secunda and has become a multiple Catholic
titular see. The site contains the remains of the
Roman Theatre at Apamea, one of the largest surviving theatres of the
Roman Empire with an estimated seating capacity in excess of 20,000, as well as the remains of the
Great Colonnade at Apamea, which ran for nearly , making it among the longest and most famous in the
Roman world.