Kocaeli is a vibrant city located in the Marmara Region of Turkey. It is situated on the eastern coast of the Sea of Marmara and is known for its rich history, diverse culture, and thriving industrial sector. With a population of over 1.9 million people, Kocaeli is the third most populous city in Turkey. The city has a strategic location, being close to Istanbul, the economic and cultural hub of the country. This proximity has contributed to Kocaeli's rapid development and transformation into an important industrial center. The region is home to numerous factories, manufacturing plants, and industrial zones, making it a significant contributor to Turkey's economy.