Lesotho is 11 times larger than Tianmen (China).
Area: 30,355 km2 World Factbook
Population: 1,942,008 (July 2014) World Factbook
Lesotho, officially the Kingdom of Lesotho, is a landlocked country completely surrounded by South Africa. It is just over 30,000 km² in size and has a population slightly over two million. Its capital and largest city is Maseru. Lesotho is a member of the Commonwealth of Nations. Wikipedia
Area: 2,654 km2 calculated
Tianmen is a sub-prefecture-level city in central Hubei Province, People's Republic of China. It is on the west of Wuhan and east of Jingzhou. Formerly known as Jingling, it was renamed to Tianmen in 1726 during the Qing dynasty. Wikipedia