Jiangshan (China) is 5.9 times larger than Grenada.
Area: 344 km2 World Factbook
Population: 110,152 (July 2014) World Factbook
Grenada is an island country consisting of the island of Grenada and six smaller islands at the southern end of the Grenadines in the southeastern Caribbean Sea. Grenada is located northwest of Trinidad and Tobago, northeast of Venezuela, and southwest of Saint Vincent and the Grenadines. Wikipedia
Area: 2,043 km2 calculated
Jiangshan is a county-level city located in Quzhou prefecture, Zhejiang Province, China. Located about 250 kilometers southwest of Hangzhou, the provincial capital, it is the only county-level city in the prefecture. In 1999, Jiangshan's population stood at 563,196. Wikipedia