You Do Need power plug adapter while traveling from Antigua and Barbuda to Italy.

Here is Why You Need An Adapter

The outlet and plug type used in Italy are C, F and L and in Antigua and Barbuda are A and B. This is how they look like.

Antigua and Barbuda

In Antigua and Barbuda, outlets of type A and B are in use.

Type A

Type B

Italy

In Italy, outlets of type C, F and L are in use.

Type C

Type F

Type L