How do you say “east asia” in Vietnamese?

Vietnamese words for “east asia”

• Đông ÁListenproper noun
  Hanoi [ʔɗəwŋ͡m˧˧ ʔaː˧˦] · Saigon [ʔɗəwŋ͡m˧˧ ʔaː˦˥]đông level á rising

  East Asia

  for “east asia” meaning: A geographic region comprising the eastern part of Asia, inclusive of China proper, Japan, North Korea, South Korea, and Taiwan and sometimes inclusive of Mongolia and Tibet and some or all of Southea

• Á ĐôngListenproper noun
  Hanoi [ʔaː˧˦ ʔɗəwŋ͡m˧˧] · Saigon [ʔaː˦˥ ʔɗəwŋ͡m˧˧]á rising đông level

  Yadong

  for “east asia” meaning: A geographic region comprising the eastern part of Asia, inclusive of China proper, Japan, North Korea, South Korea, and Taiwan and sometimes inclusive of Mongolia and Tibet and some or all of Southea