Cognomen Čerňák (Čerňák ) , throughout the world, is a very rare last name. The surname Čerňák is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
Cernak
Pavel, Jarda, Tomáš, and Ondřej
) , throughout the world, is a very rare last name. The surname Čerňák is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.