Byzacena (or Byzacium; ) was a Late Roman province in the central part of Roman North Africa, which is now roughly Tunisia, split off from Africa Proconsularis.

History

At the end of the 3rd century AD, the Roman emperor Diocletian divided the great Roman province of Africa Proconsularis into three smaller provinces: Zeugitana in the north, still governed by a proconsul and referred to as Proconsularis; Byzacena to its adjacent south, and Tripolitania to its adjacent south, roughly corresponding to southeast Tunisia and northwest Libya. Byzacena corresponded roughly to eastern Tunisia or the modern Tunisian region of Sahel.

Hadrumetum (modern Sousse) became the capital of the newly made province, whose governor had the rank of consularis. At this period the Metropolitan Archbishopric of Byzacena was, after the great metropolis Carthage, the most important city in Roman (North) Africa west of Egypt and its Patriarch of Alexandria.

The toponym is believed to derive from the Byzantes or Byzacii, a Libyan people who lived around the Gulf of Gabès (Lesser Syrtis). They are called Gyzantes or Zygantes by Herodotus.A Dictionary of Greek and Roman Geography. (1878). United Kingdom: John Murray.

Episcopal sees Ancient episcopal sees of Byzacena listed in the Annuario Pontificio as titular sees:Annuario Pontificio 2013 (Libreria Editrice Vaticana, 2013, ), "Sedi titolari", pp. 819-1013

Abaradira Abari Abidda (ruins of Ksour-Abbeda) Acholla (Henchir-El-Alia) Aeliae (Henchir-Mraba? Henchir-Merelma) Africa (Mahdia) Afufenia Aggar Aggersel (Abd-Er-Rahman-El-Garis? Tacrouna?) Ammaedara (Haïdra) Amudarsa (in the plain of Saïda) Ancusa Aquae Albae in Byzacena (in Gabès Governorate) Aquae in Byzacena (in Gabès Governorate) Aquae Regiae (Henchir-Baboucha?) Aurusuliana (in the territory of Henchir-Guennara) Ausafa Autenti Auzegera Bahanna (Henchir-Nebahna, ruins at Dhorbania?)located at Latitude: 36.19392 - Longitude: 10.02064. Bararus (Henchir-Ronga, Rougga) Bassiana Bavagaliana Bennefa (Oglet-Khefifa) Bladia (Henchir-Baldia?) Buleliana Cabarasussi (Drâa-Bellouan) Carcabia Cariana Cebarades Cenculiana Cercina (Kerkennah Islands) Cibaliana Cillium alias Colonia Cillilana (Kasserine) Crepedula Cufruta Chusira (Kessera) Decoriana Dices (Henchir-Sidi-Salah, Sadic?) Dionysiana Drua (Henchir-Bou-Driès) Dura (Titular See) Edistiana Egnatia Febiana Feradi Maius (Henchir-El-Ferada?) Feradi Minus Filaca Fissiana (in the plain of Foussana?) Foratiana Forontoniana (Henchir-Bir-El-Menadka?) Gaguari Garriana (Henchir-El-Garra) Gemellae in Byzacena (Sidi-Aïch) Germaniciana (ruins of Ksour-El-Maïeta? Melloul? ruins of Hadjeh-El-Aïoun?) Gratiana Gubaliana (ruins of Djebeliana? ruins of Henchir-Goubel?) Gummi in Byzacena (Henchir-Gelama?, Henchir-El-Senem) Gurza (Kalâa Kebira) Hadrumetum (Sousse), the Metropolitan Archbishopric Hermiana Hierpiniana Hirina Horrea Coelia (Hergla) Iubaltiana (at Kairouan) Iunca in Byzacena (Ounga) Leptiminus Limisa (Henchir-Boudja) Macon Macriana Maior Macriana Minor Mactaris Madarsuma (Henchir-Bou-Doukhane?) Maraguia (ruins of Ksar-Margui?) Marazanae (Henchir-Guennara) Marazanae Regiae Masclianae (ruins of Hadjeb-El-Aioun?) Materiana Maximiana in Byzacena (near Sousse) Mediana (Bishopric) Menefessi (Henchir-Djemmiah) Mibiarca Midica (near Sfax) Mididi (Henchir-Medded, Midid) Mimiana Mozotcori Munatiana Mutia (Henchir-El-Gheria, Henchir-Furna) Muzuca in Byzacena (Henchir-Besra) Nara (Bir El Hafey) Nationa Nepte (Nafta) Octaba Octabia Pederodiana (Oum-Federa, Fodra?) Precausa Praesidium (Somâa) Putia in Byzacena (Bir-Abdallah?) Quaestoriana Rufiniana Ruspae Rusticiana Sassura (Henchir Es-Zaouadi) Scebatiana Segermes Selendeta Septimunicia (ruins of Oglet-El-Metnem? Henchir-El-Bliaa?) Severiana Sufes Sufetula Suliana Sullectum (Salacia) Tabalta (Henchir-Gourghebi?) Tagarbala (Bordj-Tamra, Tamera) Tagaria Tagase Talaptula Tamalluma (Oasis of Telmin) Tamata Tamazeni Tambeae (in the region of Aïn-Beida and Henchir-Baboucha) Tanudaia Taparura Taraqua (Ksour-El-Khaoua?) Tarasa in Byzacena (near Djebel-Trozza?) Temuniana (Henchir-Temounia?) Tetci Thagamuta (in the plain of Guemouda?) Thala Thapsus Thasbalta (in the valley of Segui?) Thelepte Thenae (Thyna) Theuzi Thiges (Bordj-Gourbata) Thucca Terenbenthina (Henchir Dougga) Thysdrus Tigias (Henchir-Taus, in the oasis of Kriz) Tiguala Trofimiana Tubulbaca (Teboulba?) Turrisblanda Turres in Byzacena (ruins of Tamarza? ruins of Msilica?) Turris Tamalleni (ruins of Oum-Es-Samâa) Tusuros Unizibira (Henchir-Zembra?) Usula Uzita Valentiniana Vartana (Srâa-Ouartane) Vassinassa Vegesela in Byzacena (Henchir-Recba) Vibiana Vicus Aterii (Bir el Ater) Victoriana Vicus Augusti (ruins of Sidi El Hani, Henchir-Sabra?) Vita (ruins of Beni-Derraj?) Zella (see) (Zaouila, suburb of Mahdia? ruins of Zellez?)

Further reading

See also List of Catholic dioceses in Tunisia List of Catholic dioceses (structured view) List of Catholic titular sees

References

Sources and external links GCatholic - Tunisia Map of the Roman state according to the Compilation notitia dignitatum Place-names in the Compilation notitia dignitatum