[2] The city was re-founded as Colonia Claudia Aprensis in the mid-1st century AD, probably in connection with the emperor Claudius's annexation of Thracia, and was intended for retired members of the Roman military.
After the capture of Constantinople during the Fourth Crusade (1204), the Henry of Flanders, brother of Baldwin I, attacked the city and killed many of the citizens.
[6] The Latin Empire made Theodore Branas (called Li Vernas by Geoffroi de Villehardouin) lord of Aprus.
In the Battle of Apros of July 1305, the Catalan Company annihilated the Byzantine imperial army under Michael IX Palaiologos.
It has been vacant for several decades, having had the following incumbents, so far of the now fitting Archiepiscopal (intermediary) rank; No later than 1907, it was also and separately restored as the only-ever titular see of the particular Bulgarian Byzantine Catholic Church (Bulgarian Catholics of the Byzantine Rite) as Titular archbishopric of Theodosiopolis ante Apri (Latin) / Teodosiopoli (Curiate Italian).