You Do Need power plug adapter while traveling from Cambodia to Czech Republic.

Here is Why You Need An Adapter

The outlet and plug type used in Czech Republic are C and E and in Cambodia are A, C and G. This is how they look like.

In Cambodia, outlets of type A, C and G are in use.

Type A

Type C

Type G

In Czech Republic, outlets of type C and E are in use.

Type C

Type E

I am from

going to