Answer
Region I: Mexico; Region IV: Italy; Region V: United States; Norway and Iceland; Region VIII: Turkey and Pakistan.
Work Step by Step
In the provided Venn diagram, the regions representing the country name is as follows:
Region I: Mexico
Region IV: Italy
Region V: United States, Norway and Iceland
Region VIII: Turkey and Pakistan
Hence, Mexico is placed in the region I, Italy in IV, United States, Norway and Iceland in region V and Turkey and Pakistan in region VIII.