France, Switzerland, Austria and Slovenia all border Italy. San Marino and Vatican City are within Italy. So you could say 4 countries or 6 countries. The best is to list and explain all 6.
Slovenia shares the largest border with Italy.
Switzerland
Romania
Chipre
France
italy
Italy and Slovenia
Switzerland
Matterhorn is found on the border of Italy and Switzerland.
Italy shares a border with France, Austria, Switzerland, and Slovenia
The country bordering France to the South East is... Italy.
Rome, Italy does not directly border any other country. It is located inland in the central-western part of Italy. The nearest countries to Italy are France, Switzerland, Austria, and Slovenia, which are all a few hundred kilometers away.