Gambia is 15 times larger than Huozhou (China).
Area: 11,295 km2 World Factbook
Population: 1,925,527 (July 2014) World Factbook
The Gambia is a country in West Africa. It is surrounded by Senegal, apart from a short strip of Atlantic coastline at its western end. It is the smallest country on mainland Africa. Wikipedia
Area: 767 km2 calculated
Huozhou is a county-level city between the cities of Lingshi and Linfen in the prefecture of Linfen 临汾市 in the Shanxi province of the People's Republic of China. Wikipedia