Family name Часар (Csaszar 
, Часар 
) , in all the world, is quite a common surname. The last name Часар is characteristic of Eastern Europe, particularly Hungary, where it is quite a common surname, Romania, where it is quite a rare surname, and Slovakia. Not in comparison with a country's population, it is the most numerous in Hungary, Romania, and the United States. Very seldom, Часар is the forename as well as the last name.