You Do Need power plug adapter while traveling from Puerto Rico to North Macedonia.

Here is Why You Need An Adapter

The outlet and plug type used in North Macedonia are C and F and in Puerto Rico are A and B. This is how they look like.

Puerto Rico

In Puerto Rico, outlets of type A and B are in use.

Type A

Type B

North Macedonia

In North Macedonia, outlets of type C and F are in use.

Type C

Type F