Cai Tong Street, Mong Kok. According to Baidu map, the address of China Mongkok Night Market Snack Street is located in Cai Tong Street, Mongkok. China Mong Kok Night Market Snack Street is a distinctive street in Hong Kong, China, and the most famous night market in Hong Kong, China. The People's Republic of China (PRC) Special Administrative Region (PRC) is located in the south of China, east of the Pearl River Estuary, facing Macau across the sea in the west, Shenzhen in the north and Wanshan Islands in Zhuhai in the south. The regional scope includes Hong Kong Island, Kowloon, New Territories and 262 surrounding islands, with a land area of 1 13.76 square kilometers and a sea area of 65,438.