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This is a list of lists of "unofficial" (i.e. non-administrative) regions by country:

• Australia;List of regions of Australia
• Argentina;Provinces of Argentina
• Canada;List of regions of Canada
• Czech;Czech lands
• Denmark;Traditional districts of Denmark and Lands of Denmark
• France;Traditional provinces of France
• Greece;Historical regions of Greece
• Hungary;List of historic counties of Hungary
• Indian Republic;List of regions in India
• Ireland;Provinces of Ireland and Counties of Ireland
• Lithuania;Regions of Lithuania
• Malta; Regions in Malta
• Norway;Traditional districts of Norway and Regions of Norway
• Japan;List of regions of Japan
• Slovakia;List of traditional regions of Slovakia
• Spain;Non-official regions of Spain
• Sweden;Traditional provinces of Sweden and Lands of Sweden
• Turkey;Regions of Turkey
• Ukraine;Historical regions of Ukraine
• United Kingdom;
  • Historical and alternative regions of England
• United States;List of regions of the United States and historic regions of the United States

• Subregions;
  • • Central Europe;List of historical regions of Central Europe