Area: 5,217.7 sq. km Population: 1,205.3 thousand habitants (2015). Capital: Nha Trang City. Administrative divisions: - City: Cam Ranh. - Town: Ninh Hoa. - Districts: Van Ninh, Dien Khanh, Khanh Vinh, Khanh Son, Truong Sa, Cam Lam. Ethnic groups: Viet (Kinh), Ra Glai, Hoa, Co Ho...

Area: 926.0 sq. km. Population: 1,164.4 thousand habitants (2015). Capital: Hung Yen City. Districts: My Hao, Van Lam, Yen My, Khoai Chau, Van Giang, An Thi, Kim Dong, Phu Cu, Tien Lu. Ethnic groups: Viet (Kinh), Hoa, Nung, Tay.

Area: 6,348.5 sq. km. Population: 1,761.0 thousand habitants (2015). Capital: Rach Gia City. Administrative divisions: - Town: Ha Tien. - Districts: Kien Luong, Hon Dat, Tan Hiep, Chau Thanh, Giong Rieng, Go Quao, An Bien, An Minh, Vinh Thuan, Phu Quoc, Kien Hai, U Minh Thuong. Ethnic groups: Viet (Kinh), Khmer, Hoa, Cham...

Area: 9,689.6 sq. km. Population: 495.9 thousand habitants (2015). Capital: Kon Tum City. Districts: Dak Glei, Ngoc Hoi, Dak To, Kon Ray, Kon Plong, Dak Ha, Tu Mo Rong, Sa Thay. Ethnic groups: Viet (Kinh), Xo Dang, Ba Na, Gie Trieng, Ra Glai...

Area: 9,068.8 sq. km. Population: 425.1 thousand habitants (2015). Capital: Lai Chau City. Districts: Phong Tho, Tam Duong, Muong Te, Sin Ho, Than Uyen, Tan Uyen. Ethnic groups: Thai, H'Mong, Viet (Kinh), Giay, Dao.

Area: 9,773.5 sq. km. Population: 1,273.1 thousand habitants (2015). Capital: Da Lat City. Administrative divisions: - City: Bao Loc. - Districts: Lac Duong, Don Duong, Duc Trong, Lam Ha, Bao Lam, Di Linh, Da Huoai, Da Teh, Cat Tien, Dam Rong. Ethnic groups: Viet (Kinh), Co Ho, Ma, Nung...

Area: 8,320.8 sq. km. Population: 757.9 thousand habitants (2015). Capital: Lang Son City. Districts: Trang Dinh, Van Lang, Van Quan, Binh Gia, Bac Son, Huu Lung, Chi Lang, Cao Loc, Loc Binh, Dinh Lap. Ethnic groups: Viet (Kinh), Tay, Nung, Dao...

Area: 6,383.9 sq. km. Population: 674.5 thousand habitants (2015). Capital: Lao Cai City. Districts: Muong Khuong, Bat Xat, Bac Ha, Bao Thang, Sa Pa, Bao Yen, Van Ban, Si Ma Cai. Ethnic groups: Viet (Kinh), H'Mong, Tay, Dao, Thai...

Area: 4,495.0 sq. km. Population: 1,484.7 thousand habitants (2015). Capital: Tan An City. Town: Kien Tuong. Districts: Ben Luc, Can Duoc, Can Giuoc, Chau Thanh, Duc Hoa, Duc Hue, Moc Hoa, Tan Thanh, Tan Tru, Thanh Hoa, Thu Thua, Vinh Hung, Tan Hung. Ethnic groups: Viet (Kinh), Khmer, Tay, Hoa...

Area: 1,653.2 sq. km. Population: 1,850.6 thousand habitants (2015). Capital: Nam Dinh City. Districts: Vu Ban, My Loc, Y Yen, Nam Truc, Truc Ninh, Xuan Truong, Giao Thuy, Nghia Hung, Hai Hau. Ethnic groups: Viet (Kinh), Tay, Muong, Hoa...