What countries have Italian as their native language?

Here are the countries where Italian is the official language:

* Italy - This is the largest and most obvious example.

* San Marino - This small independent micro-state, located entirely within Italy, shares Italian as its official language.

* Vatican City - Also located within Italy, the Vatican City State has Italian as its official language.

While Italian isn't the *sole* official language in these countries, it is one of the official languages in:

* Switzerland - Italian is one of four official languages in Switzerland, along with German, French, and Romansh.

* Slovenia - Italian is one of the two official languages in the municipality of Gorizia, which borders Italy.

It's important to note that while Italian may be the official language in these countries, there are also numerous regional dialects and variations within those countries themselves.