Karol is a West Slavic (Czech, Polish, and Slovak) and Hungarian version of the name Charles or Carl. It is also used as a Polish translation of Charles or Karl, especially when referring to Charles Dickens (Polish: Karol Dickens), Karl Marx (Polish: Karol Marks) and Prince Charles(Polish: książę Karol).
Tks, like major said, always learning Wondering how they say Caroline ..