Don’t require power plug adapter while traveling from Åland Islands to Bulgaria.

Here's why you do not need an adapter

The outlet and plug type used in Bulgaria are C and F and in Åland Islands are C and F and they are compatible with each other.

Åland Islands

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

Type C

Type F

Bulgaria

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

Type C

Type F