You Do Need power plug adapter while traveling from Cayman Islands 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 Cayman Islands are A and B. This is how they look like.

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

Type A

Type B

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

Type C

Type E

I am from

going to