42690
Its native range stretches from the Black Sea region ( Greece , Turkey , Bulgaria , Romania , Ukraine , Belarus , Russia , Caucasus ) to Iran , Central Asia , Pakistan , Xinjiang , Mongolia and a few smaller countries .
 Black Sea, Greece, Turkey, Bulgaria, Romania, Ukraine, Belarus, Russia, Caucasus, Iran, Central Asia, Pakistan, Xinjiang, Mongolia
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:
 Black Sea, Greece, Turkey, Bulgaria, Romania, Ukraine, Belarus, Russia, Caucasus, Iran, Central Asia, Pakistan, Xinjiang, Mongolia