ISO 3166-2:RU

ISO 3166-2:RU is the entry for Russia in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for some of the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. ISO 3166-2:RU contains no codes for the Russian-administered Crimea, Donetsk, Kherson, Luhansk, Sevastopol, and Zaporizhzhia, which are internationally recognized as part of Ukraine and do have codes in Ukraine's entry in ISO 3166-2.

Currently for Russia, ISO 3166-2 codes are defined for the following federal subjects:
 * 21 republics
 * 9 administrative territories
 * 46 administrative regions
 * 2 autonomous cities
 * 1 autonomous region
 * 4 autonomous districts

Each code consists of two parts, separated by a hyphen. The first part is RU, the ISO 3166-1 alpha-2 code of Russia. The second part is either of the following:
 * two letters: republics
 * three letters: all other subdivisions

Current codes
Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA).

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 * Notes

Changes
The following changes to the entry have been announced by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998. ISO stopped issuing newsletters in 2013.