This is the 13308th most frequent Turkish word.
kentlerin
"Kentlerin" means "of the cities" or "the cities'".
Here, 'kentlerin' signifies the entities benefiting from something, indicating the development attributed to the cities.
Kentlerin gelişmesi için yatırım yapılmalıdır.
Investments should be made for the development of the cities.
The word 'kentlerin' indicates possession, showing that the problems belong to the cities.
Kentlerin sorunları çözülmelidir.
The problems of the cities must be solved.
The word 'kentlerin' describes to whom the 'structure' belongs, which are the cities in this context.