Botswana is 283 times larger than Yongcheng (China).
Area: 581,730 km2 World Factbook
Population: 2,155,784 (July 2014) World Factbook
Botswana, officially the Republic of Botswana, is a landlocked country located in Southern Africa. The citizens refer to themselves as Batswana. Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966. 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