Bergoulai was a small town, which was later on called Arcadiopolis (Lüleburgaz) .Emperor Theodosius I (347-395) changed it to Arcadiopolis (Greek: Αρκαδιούπολις) in honour of his son and successor Arcadius (377-408). In 443 Attila the Hun( c.406-453) captured the town.
Sources:
- https://ses.library.usyd.edu.au/bitstream/2123/15784/1/larnach_mj_thesis.pdf
- Bergoulai - The Archaeological Settlements of Turkey - TAY Project
- William Smith; sv Bergule in: Dictionary of Greek and Roman Geography, London, 1854