The Italian Peninsula is bordered by the Mediterranean Sea on the south, the Adriatic Sea on the east, the Tyrhennian Sea on the Southwest and the Ligurian Sea on the Northwest.
The Adriatic Sea
peninsula
The North Sea
because water surrounds it in 3 sides
the adriatic sea
Gulf of Suez, Red Sea, Gulf Of Aqaba.
The Tyrrhenian Sea
A peninsula is not a who. It is not a person. It is land mass which sticks into a sea or lake and is surrounded by water on three of its four sides and in attached to the rest of the land mass. The Italian peninsula is Italy. Italy is a peninsula which protrudes into the Mediterranean Sea.
The Italian peninsula is a peninsula. It is not a country but a georgraphical feature. Therefore there is no 'official' name. The same applies to the continent of 'South America' and 'North America'. This isn't official merely geographic and in many languages both of these regions are considered to be 1 continent and not 2.
The north coasts of the African countries of Morocco, Algeria, Tunisia, Libya, and Egypt are on the Mediterranean Sea.
Because it is surrounded on three sides by water - which is difficult to defend !
Water.
It is called the "peninsula of peninsulas" because it is a collection of peninsulas. This is true because it has around 5 peninsulas in it. Some of these peninsulas are the Balkin peninsula, the Iberian peninsula, the Italian peninsula, etc.