Rite: Roman (Latin)
Type: Titular Episcopal See
Name: Traianopolis in Phrygia (latine) / Traianopoli di Frigia (Italiano) / Traianopolitan(us) in Phrygia (Latin)
Location: Giaurören, pr. Frigia Pacaziana I, m. Laodicea, Turkiye
- Established as Titular Episcopal See of Traianopolis (latine) / Traianopoli (Italiano) / Tranopoli (Italiano) / Tranopolis (latine)
- 1926: Renamed as Titular Episcopal See of Traianopolis (latine) / Traianopoli di Frigia (Italiano)
- 1929: Renamed as Titular Episcopal See of Trajanopolis (latine) / Traianopoli di Frigia (Italiano)
- 1933: Renamed as Titular Episcopal See of Trajanopolis in Phrygia (latine) / Traianopoli di Frigia (Italiano)
- 1971: Renamed as Titular Episcopal See of Traianopolis in Phrygia (latine) / Traianopoli di Frigia (Italiano) / Traianopolitan(us) in Phrygia (Latin)