Bhutan is 19 times larger than Yongcheng (China).
Area: 38,394 km2 World Factbook
Population: 733,643 (July 2014) World Factbook
Bhutan, officially the Kingdom of Bhutan, is a landlocked country in South Asia located at the eastern end of the Himalayas. It is bordered to the north by China and to the south, east and west by India. Wikipedia
Area: 2,053 km2 calculated
Yongcheng is a county-level city in Shangqiu, Henan, in the People's Republic of China. It is the former site of Shiyuan, the capital of Han-era Liang. It includes the excavated mausoleum of the fabulously wealthy Liu Wu, prince of Liang, now a museum famed for its murals. Wikipedia