References
 | This article about a Roman Catholic diocese in Italy is a stub. You can help Wikipedia by adding missing information. |
The Diocese of Corneto was a Latin Church diocese of the Catholic Church in Italy. Its episcopal see was Corneto, an old name for Tarquinia. It was absorbed by the Diocese of Civitavecchia-Tarquinia.
| This article about a Roman Catholic diocese in Italy is a stub. You can help Wikipedia by adding missing information. |