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

Here is Why You Need An Adapter

The outlet and plug type used in Abu Dhabi is G and in Nicaragua are A and B. This is how they look like.

Nicaragua

In Nicaragua, outlets of type A and B are in use.

Type A

Type B

Abu Dhabi

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

Type G