Vietnam is a country in Southeast Asia. The official name of the country is the Socialist Republic of Vietnam. The capital city of Vietnam is Hanoi, and the largest city is Ho Chi Minh City. The population of Vietnam is about 95 million. The official language of Vietnam is Vietnamese.Vietnam is bordered by the South China Sea to the east, Laos to the north, Cambodia to the southwest, and Thailand and Malaysia to the southwest.Vietnam was a colony of France from 1858 to 1954. In 1954, Vietnam was divided into North and South Vietnam. North Vietnam was communist, and South Vietnam was capitalist. In 1975, North and South Vietnam were unified, and the country became communist.Since the 1990s, Vietnam has been moving towards capitalism, and the economy has been growing rapidly. Vietnam is now a member of the World Trade Organization.