Gölcük Naval Base is the main base of the Turkish Navy on the east coast of the Sea of Marmara in Gölcük, Kocaeli. It is the principal base for logistic support with various facilities stretched over 1800acre of land.In addition to the workplaces, the base houses apartment-like barracks, social facilities, a military hospital, a military museum and an archive for naval history.The shipyard at the base is capable of constructing frigates, submarines, fast attack boats and auxiliary vessels with high technology in recognized standards.HistoryIn the late 1920s, the area in Gölcük was chosen to build a floating drydock large enough to hold the Turkish battlecruiser TCG Yavuz for repair work of her war damage. Later, along with the German shipbuilding company Flender Werke that constructed the floating drydock, various repair shops, plants for the production of naval mine, torpedo and battery and housing barracks were built in Gölcük. In this manner, the need of drydocking of the TCG Yavuz paved the road Gölcük's to the naval base.