The government of the People’s Republic of China calls the country’s westernmost region Xinjiang, but the people who have lived there for centuries refer to their home as Eastern Turkistan. Many times when two groups do not refer to a place by the same name, it points to a cultural or political conflict, as is the case here.
Via Mike Busarello's Digital Storybooks
it seems that this a a recurring theme with china. disputed lands surround this country inside and out, they claim to own all of it as well. but when the people that live their claim to be independent and choose not to associate themselves with you than it creates and interesting dynamic.