[2] When Emperor Theodosius I (347–395) made parts of Paphlagonia and Bithynia into a new province called Honorias, Hadrianopolis became known as Hadrianopolis in Honoriade, the name by which the ancient episcopal see is known in the list of what are now titular sees included in the Annuario Pontificio.

Archaeological surface surveys have uncovered 14 public buildings and other structures in the ancient city.

The church floors are decorated with mosaics and have images of the rivers of Gihon, Pishon, Tigris and Euphrates imprinted on them, which are mentioned in the Bible.

[5] In December 2019, archaeologists unearthed an 1800-year-old limestone slab containing a female silhouette most likely depicts Demeter.

[8] In 2022 new mosaics with polychrome peacock and amphora figures with grape basket decorations were found in a Roman fort.