Tibetis an autonomous region ofChina.Within China, Tibet is identified as an Autonomous Region. The current borders of Tibet were generally established in the 18th centuryand include about half ofethno-cultural Tibet. The Tibet Autonomous Region is the second-largestprovince-level division of Chinaby area.Entering Tibet you feel as though you've entered an entirely different world. The traditional Tibetan culture, though diluted recently by government-sponsored migrations of Han and Hui Chinese, remains strong and central to the region.