Family name Хвастек (Chwastek 
, Хвастек 
) , in all the world, is quite a rare last name. The surname Хвастек is characteristic of Poland, where it is quite a rare surname, Uruguay, where it is a rare surname, and Czechia. Measured by absolute frequency, it is commonest in Poland, Germany, and the United States. Also, Хвастек is the forename as well as the last name.