addressCountry

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.

References