You Do Need power plug adapter while traveling from Vatican City to New Zealand.

Here is Why You Need An Adapter

The outlet and plug type used in New Zealand is I and in Vatican City are C, F and L. This is how they look like.

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

Type C

Type F

Type L

In New Zealand, outlets of type I are in use.

Type I

I am from

going to