Incheon Chinatown Incheon Chinatown was once the largest overseas Chinese community in South Korea, and because of its geographical location across the Yellow Sea from Shandong, China, and Weihai across the sea, many Chinese people come to engage in restaurants and other businesses. Incheon Chinatown opened in 1883, and in 1884 the area was designated as an extraterritorial place of the Qing government after the Chinese settlement gradually formed.