Tibet is a historical region covering much of the Tibetan Plateau in Inner Asia. It is the traditional homeland of the Tibetan people, including the Dalai Lama, as well as some other ethnic groups such as Monpa, Qiang, and Lhoba peoples. Today Tibet is also inhabited by a considerable numbers of Han Chinese and Hui people. Tibet is the highest region on Earth, with an average elevation of 4,900 metres (16,000 ft). The highest elevation in Tibet is Mount Everest, Earth's highest mountain, rising 8,848 m (29,029 ft) above sea level. Yes, Everest straddles both Tibet and Nepal and is accessible as well from the Tibetan side.

The language has numerous regional dialects. In general, the dialects of central Tibet (including Lhasa), Kham, Amdo and some smaller nearby areas are considered the most common Tibetan dialects, spoken throughout Tibet, Bhutan, Nepal and northern India also.