Hakka people (Hakka language: "Hak-kâ"; Mandarin Chinese: "Kèjiā") are a subgroup of the Han Chinese people. They live mainly in the provinces of Guangdong, Jiangxi and Fujian in China and speak the Hakka language. The Hakkas have had an important influence on Chinese and overseas Chinese history: in particular, they have been a source of revolutionary, political and military leaders. Some of them were Deng Xiaoping, Lee Kuan Yew and Thaksin Shinawatra.