21605
It is found in Afghanistan , Bangladesh , China , Taiwan , India , Indonesia ( Sumatra ) , Laos , Myanmar , Nepal , Pakistan , Sri Lanka , Thailand and northern Vietnam .
 Afghanistan, Bangladesh, China, Taiwan, India, Indonesia, Sumatra, Laos, Myanmar, Nepal, Pakistan, Sri Lanka, Thailand, Vietnam
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Afghanistan, Bangladesh, China, Taiwan, India, Indonesia, Sumatra, Laos, Myanmar, Nepal, Pakistan, Sri Lanka, Thailand, Vietnam