Sum (country subdivision)

Sum, sumu, sumon, and somon (Plural: sumd) are a type of administrative district used in China, Mongolia, and Russia.


In Inner Mongolia, a sumu (Mongolian: ᠰᠤᠮᠤ, transliteration: sumu; Chinese: 苏木, pinyin: sūmù) 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 (Mongolian: ᠭᠠᠴᠠᠭᠠ гацаа) and smaller than a banner (the Inner Mongolia equivalent of the county-level division).

Sumu whose population is predominated by ethnic minorities are designated ethnic sumu – parallel with the ethnic township in the rest of China. As of 2010, there is only one ethnic sumu in China, the Evenk Ethnic Sumu.


Main article: Sums of Mongolia

A sum (Mongolian: сум) is the second level administrative subdivision below the Aimags (provinces), roughly comparable to a County in the United States. There are 331 sums in Mongolia. Each sum is again subdivided into bags.[1]


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".

See also


  1. Ole Bruun Precious Steppe: Mongolian Nomadic Pastoralists in Pursuit of the Market. 2006- Page 68 "The historical administrative units of aimag, sum, and bag (Khotont constitutes one of nineteen sums in Arkangai aimag) still form the bases of "
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