The 'Port of Mersin' (Mersin Limanı), is a major seaport located on the north-eastern coast of Mediterranean Sea in Mersin, southern Turkey. As one of the largest harbors in the country, it is Turkey's main gateway to the Mediterranean Sea. It was constructed during the 1950s as a major government project. It is the country's second largest port after Ambarli, near Istanbul. Owned by the Turkish State Railways (TCDD), its operating right is transferred on May 11, 2007, to PSA – Akfen consortium for a period of 36 years.
During the American Civil War in the 19th century, Mersin, then a small town, had become an important seaport for the export of cotton in eastern Mediterranean Sea because of the increased demand. In the later years, with a considerable hinterland in Anatolia, Mersin flourished as a major port. However, it lacked the harbor facilities and the Gulf of Mersin was found to be insufficient for secure anchorage. So, after the proclamation of the Turkish