Each code consists of two parts, separated by a hyphen. The first part is CN, the ISO 3166-1 alpha-2 code of China. The second part is a two-letter alphabetic code specified by Guobiao GB/T 2260 (first published 1991, prior to ISO 3166-2, first published 1998).
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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Code
Subdivision name (zh) [note 1] (National 1958 = ISO 7098:2015 = UN III/8 1977)
^For reference only, Chinese name in Pinyin Chinese with diacritics not included in the ISO 3166-2 standard.
^For reference only, Chinese name in Chinese characters not included in the ISO 3166-2 standard.
^For reference only, English name not included in the ISO 3166-2 standard.
Subdivisions included in ISO 3166-1
Besides being included as subdivisions of China in ISO 3166-2, Taiwan, Hong Kong and Macao are also officially assigned their own country codes in ISO 3166-1.
The following changes to the entry are listed on ISO's online catalogue, the Online Browsing Platform:
Effective date of change
Short description of change (en)
Code/Subdivision change
2017-11-23
Change of subdivision codes change of subdivision name of CN-NM, CN-GX, CN-XZ, CN-NX, CN-XJ, CN-BJ, CN-TJ, CN-SH, CN-CQ, CN-HE, CN-SX, CN-LN, CN-JL, CN-HL CN-JS, CN-ZJ, CN-AH, CN-FJ, CN-JX, CN-SD, CN-HA, CN-HB, CN-HN, CN-GD, CN-HI, CN-SC, CN-GZ, CN-YN, CN-SN, CN-GS, CN-QH, CN-TW, CN-HK, CN-MO addition of remark in parentheses to subdivision name for CN-HK, CN-MO in English addition of region CN-MO in Portuguese update code source update list source