It includes 2 administrative regions, which in turn are divided into 19 First Tier units, of which 17 are provinces and 2 are municipalities.
[1] Cochinchina or "Nam Kỳ" is a historical exonym for this region, originating during the French colonial period.
Southern Vietnam was conquered by the Nguyễn force in the 17th and 18th centuries from the Khmer kingdom.
[2] The main ethnicities in Southern Vietnam are Kinh, Khmer and Hoa.
[3] Bà Rịa–Vũng Tàu Bình Dương Bình Phước Đồng Nai Ho Chi Minh City † Tây Ninh An Giang Bến Tre Bạc Liêu Cà Mau Cần Thơ † Đồng Tháp Hậu Giang Kiên Giang Long An Sóc Trăng Tiền Giang Trà Vinh Vĩnh Long ^† Municipality (thành phố trực thuộc trung ương)