Điện Biên (chữ Hán: 奠邊) is a province in the Northwest region of Vietnam.
It is bordered by Lai Châu to the northeast, Sơn La to the southeast, Pu'er City, Yunnan, China, to the northwest, and Phongsaly province in Laos to the west.
[8] Điện Biên has various ancient monuments including the caves Thẩm Khương, as well as Thẩn Búa in Tuần Giáo.
The names of some villages and towns still use words of Tai origin, such as Mường (city) and Tham (cave).
Chua ta cave: Located at an altitude of nearly 1,000m above sea level, in a limestone mountain range with a geological tectonic process of millions of years, Tham Khen cave in Muong Dun commune, Tua Chua district has also been recognized by the Ministry of Culture.