+ISO 3166 is an international standard that defines [Country Codes](/wiki/country_codes) for countries, dependent territories, and special areas of geographical interest. It provides a universally recognized system, including codes for principal [Subdivisions](/wiki/subdivisions) within those entities.
+## See also
+- [ISO](/wiki/iso)
+- [Country](/wiki/country)
+- [Standard](/wiki/standard)
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