6 suburbicarian seesOstia and Velletri, Porto and Sta Rufina, Albano, Frascati, Palestrina, Sabinaall held by cardinal bishops.
Excluding the diocese of Rome and suburbicarian sees, each see has an average area of 430 sq.
The Italian sees (exclusive of Rome and of the suburbicarian sees) have a total annual revenue of 206,000 equal to an average of 800 per see.
He also received the right to appoint bishops, who - except in Rome and the suburbicarian districts - were to be Italian subjects; and, with a significant exception, the exequatur, placet regium, and every form of government permission for the publication and execution of acts of ecclesiastical authority were abolished.
The churches of the suburbicarian provinces and the islands, it was Gregory's policy to watch with particular care over the election and discipline of the bishops.