The Diocese of Tarragona is a Roman Catholic diocese located in northeastern Spain. It was established in the early Christian era and is one of the oldest dioceses in the country. The diocese covers the province of Tarragona and is part of the Ecclesiastical Province of Tarragona. Its cathedral, the Cathedral of Tarragona, is a significant historical and architectural landmark. The diocese plays a vital role in the spiritual and administrative life of the Catholic Church in the region. It oversees various parishes and religious institutions, promoting the faith and providing pastoral care to the local community. The current bishop is responsible for guiding the diocese's activities and initiatives.