Family name Csaszar (Császár 
, Csaszar , Часар 
) , around the world, is quite a common surname. The surname Csaszar is habitual in 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, the name is most common in Hungary, Romania, and the United States. Very seldom, Csaszar is the forename as well as the last name.