You Do Need power plug adapter while traveling from Gaza Strip to Canary Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Canary Islands are C, E and F and in Gaza Strip are C and H. This is how they look like.

Gaza Strip

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

Type C

Type H

Canary Islands

In Canary Islands, outlets of type C, E and F are in use.

Type C

Type E

Type F