Name of the National Protected AreaIt lies adjacent to Vietnam's Phong Nha–Kẻ Bàng National Park and, together with it, forms Vietnam's first transboundary heritage site. It contains the Xe Bang Fai River Cave.Laos PDR · Laoຫີນໜາມໜໍ່[hiːn˩ naːm˩ nɔː˧]Last used 2022Replaced by Ong-mang