Cognomen Valah (Valah 
, Valach 
, Валах 
) , in all the world, is quite a common last name. The surname Valah is characteristic of Eastern Europe, particularly Slovakia, where it is quite a common surname, Czechia, where it is quite a rare surname, and Hungary. In absolute terms, this name is the most popular in Eastern Europe, particularly Slovakia, Czechia, and Ukraine. Very seldom, Valah is the forename as well as the last name.