Cognomen Церар (Cerar 
, Церар 
) , around the world, is quite a rare surname. The family name Церар is characteristic of Southern Europe, particularly Slovenia, where it is quite a common surname, Serbia, where it is quite a rare surname, and Croatia, where it is a rare surname. Not in comparison with a country's population, it is commonest in Slovenia, the United States, and Serbia. Very seldom, Церар is the forename as well as the last name.