The Diocese of Cambrai is a Roman Catholic diocese located in northern France. Established in the 4th century, it has a rich history and is part of the ecclesiastical province of Lille. The diocese covers the area of Cambrai and its surrounding regions, serving the spiritual needs of the local Catholic community. The diocese is known for its historical significance and architectural heritage, including the Cambrai Cathedral, which is a prominent landmark. Over the centuries, the Diocese of Cambrai has played a vital role in the development of the Catholic Church in France and continues to be an important religious institution today.