Uyghurs or Uighurs (Predominantly Sunny Islam Muslim). The ethnic Uighur population used to be the majority in China’s Xinjiang region. The Xinjiang autonomous region in China’s far west has had a long history of discord between the authorities and the indigenous ethnic Uighur population.
The largest of China’s administrative regions, Xinjiang borders eight countries – Mongolia, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan and India – and until recently its population was mostly Uighur.
More info: https://www.bbc.co.uk/news/world-asia-china-26414014