Grotte di Castro is a municipality () in the

Province of Viterbo The province of Viterbo () is a Provinces of Italy, province in the Lazio region of Italy. Its capital is the city of Viterbo. Geography Viterbo is the most northerly of the provinces of Lazio. It is bordered to the south by the Metropolitan Cit ...

in the

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...

region of

Latium Latium ( , ; ) is the region of central western Italy in which the city of Rome was founded and grew to be the capital city of the Roman Empire. Definition Latium was originally a small triangle of fertile, volcanic soil (Old Latium) on whic ...

, located about northwest of

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

and about northwest of

Viterbo Viterbo (; Central Italian, Viterbese: ; ) is a city and ''comune'' (municipality) in the Lazio region of Italy, the Capital city, capital of the province of Viterbo. It conquered and absorbed the neighboring town of Ferento (see Ferentium) in ...

References

Cities and towns in Lazio {{Latium-geo-stub