Chenghai is a district of the city of Shantou, Guangdong Province, China. Located at the Han River Delta in the southeast part of Guangdong Province, Chenghai spans from 116°41' to 116°54' E longitude and 23°23' to 23°38' N latitude. Chenghai is an important transportation hub of the area around east Guangdong, the southeast part of Fujian and south Jiangxi Province, which is known as the "Gateway of East Guangdong". The total area of this district is 345.23 square kilometres.