Jurisdiction | Cathedral | Type |
| Celje | Celje, Celje, Slovenia |  Cathedral |
| Koper | Stolnica Marijinega vnebovzetja Koper, Koper, Slovenia | Cathedral |
| Koper | Konkatedralna cerkev Kristusa Odrešenika Nova Gorica, Nova Gorica, Slovenia |  Co-Cathedral |
| Ljubljana | Ljubljana, Ljubljana, Slovenia | Cathedral, Parish |
| Maribor | Maribor, Maribor, Slovenia | Cathedral |
| Maribor | Ptúj, Ptuj, Slovenia |  Former Cathedral, Parish |
| Murska Sobota | Murska Sobota, Murska Sobota, Slovenia | Cathedral, Parish |
| Novo Mesto | Novo Mesto, Novo Mesto, Slovenia | Cathedral |
