You Do Need power plug adapter while traveling from Gaza Strip to Costa Rica.

Here is Why You Need An Adapter

The outlet and plug type used in Costa Rica are A and B and in Gaza Strip are C and H. This is how they look like.

In Gaza Strip, outlets of type C and H are in use.

Type C

Type H

In Costa Rica, outlets of type A and B are in use.

Type A

Type B

I am from

going to