The region of Chittagong is traditionally centred around its seaport which has existed since ancient times. The region was home to the ancient independent Buddhist kingdoms of Samatata and Harikela. It later fell under of the rule of the Gupta Empire, the Pala Empire and the Arakanese kingdom of Waithali until the 7th century. Arab Muslims traded with the port from as early as the 9th century. Historian is of the view that the Buddhist king had his capital at Chittagong in the 10th century. According to Tibetan tradition, this century marked the birth of Tantric Buddhism in the region. The region has been explored by numerous historic travellers, most notably Ibn Battuta of Morocco who visited in the 14th century. During this time, the region was conquered and incorporated into the indep