You Do Need power plug adapter while traveling from Åland Islands to Abu Dhabi.

Here is Why You Need An Adapter

The outlet and plug type used in Abu Dhabi is G and in Åland Islands are C and F. This is how they look like.

Åland Islands

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

Type C

Type F

Abu Dhabi

In Abu Dhabi, outlets of type G are in use.

Type G