For its official works and publications, the United Nations Organization groups countries under a classification of regions. The assignment of countries or areas to specific groupings is for statistical convenience and does not imply any assumption regarding political or other affiliation of countries or territories by the United Nations. Southern Europe, as grouped for statistical convenience by the United Nations (the sub-regions according to the UN), includes following countries and territories:

What term is used by the UNO to divide groups of nations?