Nyorai kupfuurira kweiyi ndima - Haisati iri kutozosvikira 879 apo zita rokuti Ioannina rinooneka kwenguva yokutanga, muzviito zveKanzuru Yechina yeConstantinople, iyo inoreva mumwe Zakaria, Bhishopi weIoannine, muzvinafundo weNaupaktos. Pashure pokukundwa kweBulgaria neByzantine
, muna 1020 Emperor Basil II akaisa bhishopu wemuno pasi peMubhishopu Mukuru weOhrid. Nyanzvi yezvinocherwa mumatongo yechiGiriki K. Tsoures yakaratidza kuti masvingo eguta reByzantine uye nhare yekuchamhembe kwakadziva kumabvazuva yeIoannina Castle kusvika muzana ramakore rechi10, nekuwedzera mukupera kwezana ramakore rechi11, kusanganisira nhare yekumaodzanyemba kwakadziva kumabvazuva, inowanzo kuverengerwa nekugara kwenguva pfupi kweguta nemaNorman pasi pehutungamiriri hwaBohemond weTaranto muna 1082. Mune chrysobull kuvaVenetian muna 1198, guta rakarongwa sechikamu chedunhu rayo ("provincia Joanninorum" kana "Joaninon"). Muchibvumirano chekuparadzaniswa kwenyika dzeByzantine mushure meChishanu chechina, Ioannina yakavimbiswa kuvaVenetian, asi muchiitiko ichi, yakava chikamu chehurumende itsva yeEpirus, yakavambwa naMichael I Komnenos Doukas.