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

Here is Why You Need An Adapter

The outlet and plug type used in Switzerland are C and J 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

Switzerland

In Switzerland, outlets of type C and J are in use.

Type C

Type J