ISIN Issuer Country - Datatype (GGISN).

The ISIN Country of Issue, created by extracting the ISO 2 character country code found at the beginning of a security ISIN code.

See the Datastream Geographical Classifications table for the full list of possible values and ISO country code mapping.

Alternative geographical classifications are also available, see below:

Datastream Geographical Classification of Company	GEOG, GEOGC, GEOGN and GGISO
Country of Domicile	CODOC, CODOM, CODON and DOISO
Country of Incorporation	COINC, COINM, COINN and INISO
Country of Listing	GEOL, GEOLC and GEONL