You Do Need power plug adapter while traveling from Serbia to United Arab Emirates (UAE).

Here is Why You Need An Adapter

The outlet and plug type used in United Arab Emirates (UAE) is G and in Serbia are C and F. This is how they look like.

Serbia

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

Type C

Type F

United Arab Emirates (UAE)

In United Arab Emirates (UAE), outlets of type G are in use.

Type G