43378
Most of the population lives in the western and northwestern parts of the country , where the two major cities , Yerevan and Gyumri , are located .
 Yerevan, Gyumri
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yerevan, Gyumri