Answer :
Final answer:
The Italian Peninsula boasts a 4,700-mile coastline and extends into the Mediterranean Sea. Its shape resembles a boot and it includes the countries of Italy, Sicily, and Sardinia.
Explanation:
The region that boasts a 4,700-mile coastline, is shaped like a boot, and extends into the Mediterranean Sea is the Italian Peninsula. The Italian Peninsula is located in Southern Europe and includes the countries of Italy, Sicily, and Sardinia. Its distinct shape resembling a boot is formed by the Apennine Mountains running down its center.
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