Which province in Vietnam has never been merged or renamed?

TPO - After numerous mergers and divisions, Vietnam now has 63 provinces and cities. Most of these provinces have been divided, merged, or renamed. However, there are two provinces that have remained unchanged since their establishment during the feudal era. Which provinces are they?

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  Lai Chau

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  Dien Bien

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  Ba Ria-Vung Tau

The correct answer is B: Dien Bien District belongs to Dien Bien Province. This is the only district in the country that shares the same name as the province. Besides this district, the province also has Dien Bien Phu City and Dien Bien Dong District, which also has the name "Dien Bien". Dien Bien is a mountainous province in the Northwest, covering more than 9,500 km2. Previously, this province belonged to Lai Chau, and was separated in 2003. Currently, Dien Bien Province has one city, one town, and eight districts. The name Dien Bien was given by King Thieu Tri in 1841. In this name, "Dien" means firm, and "Bien" means border region or frontier. Dien Bien is a district located in the southwest of Dien Bien Province. Dien Bien District also borders Dien Bien Phu City. Dien Bien District has an area of ​​approximately 1,396 km2 and a population of 93,850 people according to 2019 statistics. Many ethnic groups live here. In addition, Vietnam has some districts that share the same name as provinces that are not under its jurisdiction, for example, Hoa Binh district (Bac Lieu province), Quang Ninh district ( Quang Binh province)...

Source: https://tienphong.vn/tinh-nao-o-viet-nam-chua-tung-bi-sap-nhap-doi-ten-post1721125.tpo