What are four natural regions of the Italian Peninsula?

1. The Alps: The Alps are a mountain range that forms the northern border of Italy. They are the highest mountains in Europe, and they include some of the most popular ski resorts in the world.

2. The Po Valley: The Po Valley is a large plain that lies south of the Alps. It is one of the most fertile regions of Italy, and it is home to many of the country's major cities, including Milan and Turin.

3. The Apennine Mountains: The Apennine Mountains are a mountain range that runs down the center of Italy. They are not as high as the Alps, but they are still very scenic. The Apennines are home to many historic towns and villages, as well as several national parks.

4. The Mediterranean Coast: The Mediterranean Coast is the region of Italy that borders the Mediterranean Sea. It is a beautiful and diverse region, with sandy beaches, rocky cliffs, and charming villages. The Mediterranean Coast is a popular tourist destination, and it is home to many of Italy's most famous landmarks, such as the Colosseum and the Leaning Tower of Pisa.