The Diocese of Nanterre is a Roman Catholic diocese located in the Île-de-France region of France. Established in 1966, it serves as a part of the ecclesiastical province of Paris. The diocese encompasses several towns and communities, providing spiritual guidance and support to its parishioners. The diocese is led by a bishop, who oversees various parishes and religious activities within the region. It focuses on promoting the teachings of the Catholic Church and engaging with local communities through various programs and initiatives aimed at fostering faith and social outreach.