Kozhuun

Kozhuun () is the Tuvan term of an historical feudal administrative division known as a "banner". 
The term kozhuun is used today as a unit in the system of the administrative divisions of the Tuva Republic of Russia. A typical federal subject of Russia is subdivided into raions. "Kozhuun" is an ethnic name for a raion, used only in Tuva.
Tuva historically had nine kozhuun. Each kozhuun was divided into "sumus" which was then subdivided into "arbans".