Vietnam's official name is Socialist Republic of Vietnam Is a country in Southeast Asia Located on the east end of the Indochina Peninsula. It has an estimated population of 94.6 million in 2016, making it the 15th largest in the world and the ninth largest in Asia, bordering north China, Laos and Cambodia. The west And the Gulf of Tonkin, South China Sea and the Gulf of Thailand in the east and south. The capital city of Hanoi from North and South Vietnam merged in 1976. The largest city in the country is Ho Chi Minh City.