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

Here is Why You Need An Adapter

The outlet and plug type used in Greenland are C, E, F and K and in Abu Dhabi is G. This is how they look like.

Abu Dhabi

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

Type G

Greenland

In Greenland, outlets of type C, E, F and K are in use.

Type C

Type E

Type F

Type K