Diocese of Corneto
The Roman Catholic Diocese of Corneto had its see in Corneto, on old name for Tarquinia. It was absorbed by the Roman Catholic Diocese of Civitavecchia-Tarquinia
...
Wikipedia
The Roman Catholic Diocese of Corneto had its see in Corneto, on old name for Tarquinia. It was absorbed by the Roman Catholic Diocese of Civitavecchia-Tarquinia