Treaty ports (; 条約港) were the port cities in China and Japan that were opened to foreign trade mainly by the unequal treaties forced upon them by Western powers, as well as cities in Korea opened up similarly by the Japanese Empire.
Chinese treaty ports
List of Chinese treaty ports
The British established their first treaty ports in China after the First Opium War by the Treaty of Nanking in 1842. As well as ceding the island of Hong Kong to Great Britain in perpetuity, the treaty also established five treaty ports at Shanghai, Guangzhou (Canton), Ningbo, Fuzhou, and Xiamen (Amoy). The following year the Chinese and British signed the Treaty of the Bogue, which added provisions for extraterritoriality and the most favored nation status for the latter country. Subsequent negotiations with the Americans (1843 Treaty of Wanghia) and the French (1844 Treaty of Whampoa) led to further concessions for these nations on the same terms as the British.
The second group of treaty