93862
It groups 57 member states , from the Middle East , Africa , Central Asia , Caucasus , Balkans , Southeast Asia and South Asia .
 Middle East, Africa, Central Asia, Caucasus, Balkans, Southeast Asia, South Asia
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:
 Middle East, Africa, Central Asia, Caucasus, Balkans, Southeast Asia, South Asia