Difference between Tibet and Xizang

What is the difference between Tibet and Xizang?

Tibet as a proper noun is a plateau region in central asia, where the tibetan people traditionally live, encompassing what is now tibet autonomous region (also called xizang), most of qinghai, the western half of sichuan, a small part of yunnan and a small part of gansu in the peoples republic of china, and also the country of bhutan, and the indian regions of sikkim and ladakh. while Xizang as a proper noun is the abbreviation for xizang (tibet) autonomous region of the people’s republic of china.

We hope you now know whether to use Tibet or Xizang in your sentence.