Complex sentence: Within the People's Republic of China, "Tibet" or "Xīzàng" (Chinese: 西藏) is identified with the Tibet Autonomous Region (Chinese: 西藏自治区) and includes about half of ethno-cultural Tibet.
Split into simpler sentences: Within the People's Republic of China, Tibet is identified with the Autonomous Region. Fact and Fancy, pp76-87 and includes about half of ethno-cultural Tibet.