Source: Schema.org v30.1 vocabulary. Official addressCountry property definition.
What does addressCountry mean?
The country. Recommended to be in 2-letter [ISO 3166-1 alpha-2](http://en.wikipedia.org/wiki/ISO_3166-1) format, for example "US". For backward compatibility, a 3-letter [ISO 3166-1 alpha-3](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-3) country code such as "SGP" or a full country name such as "Singapore" can also be used.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status