>
Cognomen Zasko (Zasko
, Засько
, Заско
) , in the world, is quite a rare family name. The surname Zasko is characteristic of Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kazakhstan. In absolute terms, this name is the most popular in Eastern Europe, particularly Russia, Ukraine, and Belarus. Very seldom, Zasko is the forename as well as the last name.