Kocaeli: The smallest in terms of surface area but among the most advanced provinces of Turkey, Kocaeli welcomes visitors with a rich diversity of nature and monuments. The region, with a history that can be traced back to c.1200 BC, is one of the leading areas in terms of production and industry. Bordering the Black Sea on one side and the Marmara Sea on the other, Kocaeli is highly sought after for its diversity of nature and natural attractions like Samanlı Mountains and Sapanca Lake. Kocaeli has a transitional climate between the Mediterranean climate and Black Sea climate with warm and rather dry summers and rainy winters. Kocaeli is waiting for all vacationers who want to explore new cultures and follow the traces of history!