The history of Chittagong port dates back to the fourth century B.C. Malayan history chronicles the journey of the sailor Buddha Gupta from Chittagong to Malaya in the 4th century B.C.[2] The Periplus of the Erythraean Sea documents the existence of Chittagong port in the ancient times. Chittagong derives its name from the Arabic word Shetgang (Shet means delta and Gang the river). The Arab traders considered Chittagong to be the delta of the Ganges.
Chittagong port has been mentioned in the works of Ptolemy, Fa-hien, Hieu-en tsng, lbn Battuta. This was an important port used by the traders from the Middle East, China, Turkey, Europe to trade with this part of the world.
During the 9th century the activities of the port increased tremendously as the Arab traders started using the port as their base port. They used to call the port "Samunda". The port was under their control at the time.
The 16th century saw the arrival of the Portuguese. Joaoda Silveria was the first Portuguese Captain to reach the port. He arrived with his ship “LOPO SOANA” in 1517. The Portuguese named the Port PORTE GRANDE (a great Port ). The records show that the Porte Grande offered easy access and safe anchorage to ships of 20 feet draught.
It remained a port during Moghul time. Later in early 19th century the British took control of the Chittagong port.The port of Chittagong became a natural outlet for the Northeastern regions of the then British-India that led to the enactment of Port Commissioner’s Act of 1887. At that time the facilities of the port consisted of five wooden and one pontoon jetties. In the year 1889-90 the port handled exports totalling 1.25 lac tons