You Do Need power plug adapter while traveling from Czech Republic to Papua New Guinea.

Here is Why You Need An Adapter

The outlet and plug type used in Papua New Guinea is I and in Czech Republic are C and E. This is how they look like.

In Czech Republic, outlets of type C and E are in use.

Type C

Type E

In Papua New Guinea, outlets of type I are in use.

Type I

I am from

going to