Kocaeli in Türkiye Kocaeli is one of the most important and largest industrial and commercial cities in Türkiye. In this article from Ebla Real Estate, we will provide information about this beautiful city. Kocaeli in Türkiye: Kocaeli is located in the Marmara region. It is bordered by Sakarya to the east and southeast, Bursa to the south, Yalova to the west, and the Sea...