Viet Nam was once a province of China. Are China people and Vietnamese people a nation?

The northern part of Viet Nam used to be Jiaozhi County (Han and Tang Dynasties) in China, and it was not separated until the Ming Dynasty.

The Vietnamese are called "Jing people" in China, and they may be descendants of Baiyue people.

Laos is said to have more than 60 ethnic groups, many of whom are descendants of Baiyue people.

Myanmar claims to have 135 ethnic groups. Except for the descendants of Baiyue people, other ethnic groups are related to Tibetans, Malays, Polynesians and Indians.

Malays and Polynesians are one race and come from Oceania.

77% of Singapore's population is Chinese (mostly Han).

Filipinos are indigenous.

Indonesians are also aborigines. They are all from Oceania.

Thais were born and raised in Thailand.