Chittagong (officially Chattogram) is the main international seaport and second-largest city in Bangladesh. Located on the Bay of Bengal, the city is the headquarters of many Bangladeshi companies, including the Chittagong Stock Exchange. According to the British newspaper the Telegraph, Chittagong is one of the ten fastest-growing cities in the world. Chittagong is one of the great port cities of Asia. It flourished on the Maritime Silk Road and was the eastern terminus of the Grand Trunk Road. It was visited by famous medieval explorers like the Venetians Niccolo de Conti and Caeser Frederick; the Arab traveler Ibn Battuta; and the Chinese admiral Zheng He. The Portuguese, Mughals, and British controlled the port in successive periods until the 20th century. It became a major financial center and the largest port in modern-day Bangladesh after the Partition of British India.