Area: 7,813.7 sq. km. Population: 1,215.2 thousand habitants (2015). Capital: Phan Thiet City. Administrative divisions: - Town: La Gi - Districts:Tuy Phong, Bac Binh, Ham Thuan Bac, Ham Thuan Nam, Ham Tan, Duc Linh, Tanh Linh, Phu Quy. Ethnic groups:Viet (Kinh), Cham, Hoa, Co Ho, Ra Glai.

Area: 5,294.9 sq. km. Population: 1,218.9 thousand habitants (2015). Capital: Ca Mau City. Districts: Dam Doi, Ngoc Hien, Tran Van Thoi, Cai Nuoc, U Minh, Thoi Binh, Nam Can, Phu Tan. Ethnic groups: Viet (Kinh), Khmer, Hoa, Tay.

Area: 1,409.9 sq. km. Population: 1,248.0 thousand habitants (2015). Administrative divisions: - Districts: Ninh Kieu, Binh Thuy, Cai Rang, Thot Not, O Mon. - Rural districts: Phong Dien, Co Do, Vinh Thanh, Thoi Lai. Ethnic groups: Viet (Kinh), Khmer, Hoa, Cham...

Area: 6,703.4 sq. km. Population: 522.4 thousand habitants (2015). Capital: Cao Bang City. Districts: Bao Lac, Bao Lam, Ha Quang, Thong Nong, Tra Linh, Trung Khanh, Nguyen Binh, Hoa An, Phuc Hoa, Quang Uyen, Ha Lang, Thach An. Ethnic groups: Viet (Kinh), Tay, Nung, Dao, HMong, San Chay...

Area: 1,285.4 sq. km. Population: 1,028.8 thousand habitants (2015). Administrative divisions: - Districts: Hai Chau, Thanh Khe, Son Tra, Ngu Hanh Son, Lien Chieu, Cam Le. - Rural districts: Hoa Vang, Hoang Sa. Ethnic groups: Viet (Kinh), Hoa, Co Tu, Tay...

Area: 13,125.4 sq. km. Population: 1,853.7 thousand habitants (2015). Capital: Buon Ma Thuot City. Towns: Buon Ho. Districts: Ea H'leo, Ea Sup, Krong Nang, Krong Buk, Buon Don, Cu M'gar, Ea Kar, M' Drac, Krong Pac, Krong Ana , Krong Bong, Lak, Cu Kuin. Ethnic groups: Viet (Kinh), E De, M'Nong, Nung, Tay.

Area: 6,515.6 sq. km. Population: 587.8 thousand habitants (2015). Capital: Gia Nghia Town. Districts: Dak Glong, Dak R'Lap, Dak Mil, Dak Song, Cu Jut, Krong No, Tuy Duc. Ethnic groups: Viet (Kinh), E De, Nung, M'Nong, Tay...

Area: 9,562.9 sq. km. Population: 547.8 thousand habitants (2015). Capital: Dien Bien Phu City. Administrative divisions: - Town: Muong Lay. - Districts: Tua Chua, Tuan Giao, Dien Bien Dong, Muong Tra, Muong Nhe, Dien Bien, Muong Ang. Ethnic groups: Viet (Kinh), Thai, Mong, Dao, Giay.

Area: 5,907.2 sq. km. Population: 2,905.8 thousand habitants (2015). Capital: Bien Hoa City. Administrative divisions: - Town: Long Khanh. - Districts: Tan Phu, Dinh Quan, Vinh Cuu, Thong Nhat, Xuan Loc, Long Thanh, Nhon Trach, Cam My, Trang Bom. Ethnic groups: Viet (Kinh), Hoa, Xtieng, Cho Ro, Cham.

Area: 3,378.8 sq. km. Population: 1,684.3 thousand habitants (2015). Capital: Cao Lanh City. Administrative divisions: - City: Sa Dec - Town: Hong Ngu. - Districts: Tan Hong, Tam Nong, Thanh Binh, Thap Muoi, Cao Lanh, Lap Vo, Chau Thanh, Lai Vung. Ethnic groups: Viet (Kinh), Khmer, Ngai, Hoa...