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Where do the Yi people of Sichuan mainly live?

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In Sichuan province, the Yi people primarily reside in the Liangshan Yi Autonomous Prefecture, located in the southwestern part of the province.1

Historically, the heartland of the Black Bone Yi—a group formerly at the top of the traditional Yi caste system—is situated in the great and lesser Liang Mountains, which lie to the southwest of the Sichuan Basin.2