Heshan, Guangdong is 2.5 times larger than Barbados.
Area: 430 km2 World Factbook
Population: 289,680 (July 2014) World Factbook
Barbados is a sovereign island country in the Lesser Antilles. It is 34 kilometres in length and up to 23 kilometres in width, covering an area of 432 square kilometres. Wikipedia
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