Sum (country subdivision)
Sum, sumu, sumon, and somon are a type of administrative district used in China, Mongolia, and Russia.China
In Inner Mongolia, a sumu is a township-level political/administrative division. The sumu division is equivalent to a township but is unique to Inner Mongolia. It is therefore larger than a gaqa and smaller than a banner. Examples include Shiwei, Inner Mongolia and Honggor Sumu, Siziwang Banner.
Sumu whose population is predominated by ethnic minorities are designated ethnic sumu – parallel with the ethnic township in the rest of China. , there is only one ethnic sumu in China, the Evenk Ethnic Sumu.Mongolia
A sum is the second level administrative subdivision below the Aimags, roughly comparable to a County in the United States. There are 331 sums in Mongolia. Each sum is again subdivided into bags.Russia
In Russia, a sumon is an administrative division of the Tuva Republic, and somon is that of the Buryat Republic. Both are describing the Russian term "selsoviet".
