The Diocese of Tortona is a Roman Catholic diocese located in the region of Piedmont, Italy. Established in the early Christian era, it has a rich history and is part of the Ecclesiastical Province of Genoa. The diocese serves a diverse community and is responsible for the spiritual guidance and administration of its parishes. The diocese's cathedral, the Cathedral of Tortona, is a significant landmark and a center of worship. It is dedicated to Saint Lawrence, the patron saint of the diocese. The Diocese of Tortona plays an essential role in the local community, promoting faith, education, and social services.