Heshan, Guangdong is 77% larger than Jinzhou, Hebei.
Area: 1,072 km2 calculated
Heshan is a county-level city of Jiangmen City in the southern part of Guangdong Province, China with a total land area of 1,108.3 square kilometres and a population of 360,000. If migrants this figure rises to around 550,000 persons residing within the city's borders. Wikipedia
Area: 605 km2 calculated
Jinzhou is a county-level city of Hebei province, under the administration of Shijiazhuang prefecture-level city, the provincial capital. Until November 1991, it was known as Jin County. Jinzhou is located in central Hebei province, 50 kilometres east of Shijiazhuang. Wikipedia