Krzysztof

Krzysztof () is a Polish male given name, equivalent to English ''Christopher''. The name became popular in the 15th century. Its diminutive forms include Krzyś, Krzysiek, and Krzysio; augmentative – Krzychu

Individuals named Krzysztof may choose to celebrate their name day on March 15, July 25, March 2, May 21, August 20 or October 31. Provided by Wikipedia