It is thus that the see appears in the sources from the 9th century on as "Nafpaktos of Nicopolis" (μητρόπολις Ναυπάκτου Νικοπόλεως), counting initially eight suffragans covering all of Epirus: Vonditsa, Aetos, Acheloos, Rogoi, Ioannina, Photiki, Hadrianopolis, Buthrotum.