A mesoregion is a medium-sized region between the size of a city or district and that of a nation. Examples of conceptual mesoregions in Southeast Europe include Epirus and Istria. An example of the official usage of the term is Mesoregion (Brazil), a grouping of municipalities for statistical purposes.
See also Macroregion Microdistrict, Soviet and Central European urban housing schemes Microregion
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