Chaldia: The Byzantine administration
293-ca. 305: Province of Cappadocia and Pontos, Caesarea is the metropolis
ca. 305: Province of Pontos Polemoniakos, Neocaesarea is the metropolis
535-536: Province of Helenopontos, Amaseia is the metropolis
536-548 / or 591: Province of Armenia I of Justinian I, Ioustinianoupolis is the metropolis
591-667: Province of Armenia III of Maurice, Ioustinianoupolis or Trebizond is the metropolis
667-824: Theme of Armeniakon
824-1091/5, 1098-1126, 1140-1204: Theme of Chaldia, with Trebizond as its centre
1091/5-1098, 1126-1140: Autonomous Chaldia, with Trebizond as its centre
1204-1461: Empire of Trebizond, with Trebizond as the capital
1204-1461: Theme of Chaldia [Mesochaldia and Tzanicha] and bandon of Trikomia, bandon of Matzouka and bandon of Gemora [inland Chaldia]
1461-1479: Autonomous Mesochaldia, Golacha was the most important castle