Keeping this in consideration, is Taiwan part of Vietnam?
Officially, Vietnam does not recognize the Republic of China(Taiwan) and, in theory, they would be traditional enemies since Vietnam is communist and Taiwan is 'anticommunist'. Fortunately, however, no one really cares about the politics and history anymore.
Likewise, how many Vietnamese are there in Taiwan? around 200,000
Similarly one may ask, how far is Taiwan from Vietnam?
Distance from Vietnam to Taiwan is 1,708 kilometers.The air travel (bird fly) shortest distance between Vietnam and Taiwan is 1,708 km= 1,061 miles. If you travel with an airplane (which has average speed of 560 miles) from Vietnam to Taiwan, It takes 1.9 hours to arrive.
What side was China on in the Vietnam War?
China, in particular, played an important role in the Vietnam wars during 1950~1975. China helped Vietnam against French forces during the First Indochina War and later helped North Vietnam unite the nation by fighting South Vietnam and the United States in the Vietnam War.