How many cities are in Kocaeli, Türkiye?

How many cities are in Kocaeli, Türkiye?: Kocaeli in Türkiye has 14 cities with a total population of 857,529 people.
What country is Kocaeli in?: Kocaeli is a region in Türkiye.
What is the population of Kocaeli?: The total population of Kocaeli, Türkiye is approximately 857,529 people across 14 cities.

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