Vietnam are in Pool C with China, Chinese Taipei, Turmenistan and Australia.
This year's tournament has 19 teams competing in a round robin format in the preliminaries on May 12-16.
Theopening matches will see hosts Myanmar take on Maldives, Thailandchallenge Saudi Arabia, Qatar meet Malaysia, the Philippines play Indiaand Vietnam will battle Chinese Taipei.
Two top teams from thenine-day championship will qualify for the second FIVB Volleyball Men'sU23 World Championship, which will take place in Dubai, the United ArabsEmirates, from August 24-31.-VNA