Dien Bien province
Dien Bien is a province in North-west Vietnam created in the beginning of 2004 by a split of the former Lai Chau province into two new provinces: the new Lai Chau province, incorporating all areas of the former Lai Chau province north of the Black River (or Da River), and Dien Bien province, incorporating all areas south of the Black River. The capital of Dien Bien province is Dien Bien Phu city.