No trip to Turkey is complete without a visit to the Province of Kocaeli. Agoda.com offers incredible hotel deals in more than 7 cities in this Province. A visit to Kocaeli, Gebze, Derince will make your trip to Kocaeli worthwhile. Whatever your appetite demands, you can find in one of many wonderful restaurants around the Province. With more than 2 million customer reviews, more travelers are choosing Agoda.com to book hotels in Kocaeli.