Protectorate General of Beiting
Historical term for a Tang-dynasty Chinese military-administrative office established in 702 CE in the Xinjiang region.
See also: 都護府
The Protectorate General of Beiting was one of the institutions established during the Tang dynasty to govern the Western Regions.
A general term for a Tang-dynasty protectorate; 北庭都護府 is a specific instance of this type of office.
From Chinese 北庭都護府 (Běitíng Dūhùfǔ), literally 'Northern Court Protectorate Office'. The exact historical derivation is well-established; the term is a proper name for a specific Tang-dynasty administrative region.