You Do Need power plug adapter while traveling from Cambodia to Balearic Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Balearic Islands are C and F and in Cambodia are A, C and G. This is how they look like.

Cambodia

In Cambodia, outlets of type A, C and G are in use.

Type A

Type C

Type G

Balearic Islands

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

Type C

Type F