| name | alternatenames | latitude | longitude | timezone | modification_date |
| (former) Roman Catholic Diocese of Caudium | | 41.0627 | 14.63875 | Europe/Rome | 2020-03-25 |
| Roman Catholic Diocese of Avellino | | 40.91529 | 14.79691 | Europe/Rome | 2020-03-25 |
| (former) Roman Catholic Diocese of Otricoli | | 42.42232 | 12.47789 | Europe/Rome | 2020-03-25 |
| (former) Roman Catholic Diocese of Trevi | | 42.87716 | 12.74715 | Europe/Rome | 2020-03-25 |
| (fomer) Roman Catholic Diocese of Salerno | | 40.68021 | 14.75979 | Europe/Rome | 2020-03-25 |
| Roman Catholic Diocese of Aosta | | 45.73805 | 7.31776 | Europe/Rome | 2020-03-27 |
| (former) Roman Catholic Diocese of Troia (Aecae)) | | 41.36113 | 15.30853 | Europe/Rome | 2020-04-15 |
| (former) Roman Catholic Diocese of Teano | | 41.25072 | 14.06553 | Europe/Rome | 2020-04-15 |
| Roman catholic diocese of Palestrina | | 41.83894 | 12.89197 | Europe/Rome | 2020-04-16 |
| (former) Roman Catholic Diocese of Chieti | | 42.35144 | 14.1669 | Europe/Rome | 2020-04-17 |
| (former) Roman Catholic Diocese of Camerino | | 43.13598 | 13.06861 | Europe/Rome | 2020-04-21 |
| (former) Roman Catholic Diocese of Cingoli | | 43.37363 | 13.21631 | Europe/Rome | 2020-04-21 |
| Roman Catholic Diocese of Verona | | 45.44745 | 10.9972 | Europe/Rome | 2020-05-05 |
| (former) Roman Catholic Diocese of Altino | | 45.54628 | 12.40024 | Europe/Rome | 2020-05-08 |
| (former) Roman Catholic Diocese of Numana | | 43.51147 | 13.61994 | Europe/Rome | 2020-06-02 |
| (former) Roman Catholic Diocese of Forum Popilii | | 41.18724 | 13.9866 | Europe/Rome | 2020-06-02 |
| Former Roman catholic diocese of Termini Imerese | | 37.98738 | 13.69729 | Europe/Rome | 2020-07-13 |
| Roman Catholic Diocese of Pozzuoli | | 40.82158 | 14.12245 | Europe/Rome | 2020-07-24 |
| Roman Catholic Diocese of Modena | | 44.64637 | 10.92565 | Europe/Rome | 2020-08-27 |
| former Roman Catholic Diocese of Truentum | | 42.88605 | 13.91439 | Europe/Rome | 2020-08-27 |
| (former) Roman Catholic Diocese of Alatri | | 41.72481 | 13.34413 | Europe/Rome | 2020-11-09 |
| Former Roman Catholic Diocese of Castello | | 45.43187 | 12.35563 | Europe/Rome | 2020-11-23 |
| Roman Catholic Diocese of Reggio Emilia-Guastalla | | 44.69776 | 10.63114 | Europe/Rome | 2020-11-23 |
| Roman Catholic Diocese of Ferrara (today Ferrara-Comacchio) | | 44.83543 | 11.62054 | Europe/Rome | 2020-12-07 |
| Roman Catholic Diocese of Como | | 45.81188 | 9.08331 | Europe/Rome | 2021-01-04 |
| Ducato di Ivrea (longobardo) | | 45.46708 | 7.88083 | Europe/Rome | 2021-01-25 |
| Roman Catholic Archidiocese of Gaeta | | 41.20884 | 13.58666 | Europe/Rome | 2021-03-04 |
| Roman catholic diocese of Concordia(-Pordenone) | | 45.75591 | 12.84562 | Europe/Rome | 2021-03-17 |
| (former) Roman Catholic Diocese of Castellammare di Stabia (today united with Sorrento) | | 40.69478 | 14.48066 | Europe/Rome | 2021-08-30 |
| Former Roman Catholic Diocese of Bomarzo | | 42.48991 | 12.2513 | Europe/Rome | 2021-10-11 |
| (former) Roman Catholic Diocese of Priverno | | 41.47329 | 13.18149 | Europe/Rome | 2021-10-11 |
| Roman Catholic Diocese of Ostia | | 41.75941 | 12.30179 | Europe/Rome | 2021-10-29 |
| Roman Catholic Diocese of Oderzo | | 45.78255 | 12.49369 | Europe/Rome | 2022-03-11 |
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