You Do Need power plug adapter while traveling from Cyprus to Laos.

Here is Why You Need An Adapter

The outlet and plug type used in Laos are A, B, C, E and F and in Cyprus is G. This is how they look like.

Cyprus

In Cyprus, outlets of type G are in use.

Type G

Laos

In Laos, outlets of type A, B, C, E and F are in use.

Type A

Type B

Type C

Type E

Type F