Phat Diem Cathedral (commonly known as Phat Diem Stone Church) is a Catholic church complex of about 22 hectares, located in Phat Diem town, Kim Son district, Ninh Binh province, about 120 km from Hanoi. southward. The complex of works here was built in 1875 and completed in 1899. The central cathedral, now the cathedral of Phat Diem Diocese in North Vietnam, was completed in 1891.