The Holy Canons Chalcedon Canon 12
Canon 12 No dividing of a province by imperial decree
Κανόνες τῆς ἐν Χαλκηδόνι Ἁγίας καὶ Οἰκουμενικῆς Δ´ Συνόδου
The Fourth Ecumenical Council · Chalcedon, 451 · convened by the emperor Marcian · Fourth Ecumenical Council: Chalcedon (451) on the map
It has come to us that some, contrary to the ecclesiastical ordinances, having run to the powers, have by means of pragmatic decrees divided one province into two, so that as a result there are two metropolitans in the same province. The holy synod has therefore decreed that henceforth nothing of the kind be dared by a bishop; otherwise he who attempts such a thing is to fall from his own rank. And as many cities as have already been honoured with the name of metropolis by imperial letters, let them enjoy the honour only, and so also the bishop who administers that church; that is to say, the city that is truly the metropolis keeps its own rights.
Ἦλθεν εἰς ἡμᾶς, ὥς τινες παρὰ τοὺς ἐκκλησιαστικοὺς θεσμοὺς προσδραμόντες δυναστείαις, διὰ πραγματικῶν τὴν μίαν ἐπαρχίαν εἰς δύο κατένεμον, ὡς ἐκ τούτου δύο μητροπολίτας εἶναι ἐν τῇ αὐτῇ ἐπαρχίᾳ. Ὥρισεν τοίνυν ἡ ἁγία σύνοδος, τοῦ λοιποῦ μηδὲν τοιοῦτον τολμᾶσθαι παρὰ ἐπισκόπου· ἐπεί, τὸν τοιοῦτο ἐπιχειροῦντα ἐκπίπτειν τοῦ ἰδίου βαθμοῦ. Ὅσαι δὲ ἤδη πόλεις διὰ γραμμάτων βασιλικῶν τῷ τῆς μητροπόλεως ἐτιμήθησαν ὀνόματι, μόνης ἀπολαυέτωσαν τῆς τιμῆς, καὶ ὁ τὴν ἐκκλησίαν ταύτην διοικῶν ἐπίσκοπος, δηλονότι σῳζομένων τῇ κατ᾿ ἀλήθειαν μητροπόλει τῶν οἰκείων δικαίων.
The Fourth Ecumenical Council, the canons
English: this site's translation of the Greek beside it. Greek: the text of the Pedalion, as transcribed at users.uoa.gr/~nektar and corrected here. About these texts.