The Port of Rijeka is a seaport in Rijeka, Croatia, located on the shore of the Kvarner Gulf in the Adriatic Sea. The first records of the port date to 1281. It was the main port of the Kingdom of Hungary in the 19th century and the beginning of the 20th century, of Yugoslavia between World War II and 1991, and of Croatia after its independence. Today, it is the largest port in Croatia with a cargo throughput of 11.2 million tonnes (2016), mostly oil, general cargo and bulk cargo, and 214,348 Twenty-foot equivalent units (TEUs).
In 2011, Luka Rijeka d.d., a concessionaire of the Port of Rijeka signed a contract of strategic partnership with International Container Terminal Services Inc. (ICTSI) and Jadranska vrata d.d., the second concessionaire of the Port of Rijeka, to operate the container terminal. The partnership aims to expand the terminal's capacity to 600,000 TEUs. The development master plan, devised by Rotterdam Maritime Group, calls for further expansion of the port facilities by 2030, including construction of a large container terminal in Omišalj on Krk Island. The third concessionaire is Jadranski naftovod (JANAF), which operates an oil terminal in Omišalj.