History of Constantine Province

right|thumb|500px|Cirta on the map of Roman Numidia, Atlas Antiquus, H. Kiepert, 1869Thibilis (a.k.a. Tibilis) was a Roman and Byzantine era town in what was Numidia but is today northeast Algeria. The site has extensive Roman and Byzantine ruins.

Tiddis (also known as Castellum Tidditanorum or Tiddi) was a Roman city that depended on Cirta and a bishopric as "Tiddi", which remains a Latin Catholic titular see.

former French department in Algeria (1848-1962)

governorate (Beylik) in the Regency of Algiers

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Vageata, also known as Vageatensis, was a Roman-Berber town in the province of Mauretania Caesariensis. It is also known as Bagatensis, and epigraphical evidence remains attesting to this etymology, due to the interchange of 'v' for 'b' is a common phenomenon in Latin and Greek place names.