308393
The airline , with its head office on the grounds of Jinnah International Airport in Karachi , operating scheduled services to 24 domestic destinations and 39 international destinations in 25 countries across Asia , Europe and North America .
 Karachi, Asia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Karachi, Asia