50404
Most of the shores of the strait , except for those in the north , are heavily settled , straddled by the city of Istanbul 's metropolitan population of 17 " million inhabitants extending inland from both coasts .
 Istanbul
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:
 Istanbul