From the Wikipedia page 
Bà Rịa-Vũng Tàu (Hanoi accent: [ɓa˨˩ ziə˨˧ vuŋm˧ˀ˥ taːw˨˩], Saigon accent: [ɓa˨˩ ʐiə˨˧ vuŋm˧˩˧ taːw˨˩] ) is a province of Vietnam. It is located on the coast of the country's Southeast region. It also includes the Côn Đảo islands, located some distance off Vietnam's southeastern coast. From 1954 to 1975, this province belonged to South Vietnam with the name Phước Tuy.