Complex sentence: Today, Uyghurs live primarily in the Xinjiang Uyghur Autonomous Region in the People's Republic of China, where they are official recognized as one of the 56 ethnic minorities.
Split into simpler sentences: Today, Uyghurs live primarily in the Xinjiang Uyghur Autonomous Region in the People's Republic of China. In China, they are official recognized as one of the 56 ethnic minorities.