You Do Need power plug adapter while traveling from Sint Eustatius 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 Sint Eustatius are A, B, C and F. This is how they look like.

Sint Eustatius

In Sint Eustatius, outlets of type A, B, C and F are in use.

Type A

Type B

Type C

Type F

Czech Republic

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

Type C

Type E