Surname Kashia (Kashia 
, Кашия 
) , in the entire world, is quite a rare last name. The last name Kashia is habitual in Georgia, where it is quite a common surname, Belarus, where it is a rare surname, and Greece. Not in comparison with a country's population, it is commonest in Georgia, India, and Russia. Also, Kashia is the forename as well as the last name.