Kralj

Kralj is a South Slavic surname and title. It literally means "king" and, according to Petar Skok, is derived from Charles the Great (Karolus) in the same sense as Tsar is to Caesar.

In Slovenia, it is the 14th most common surname: it is present throughout the country, but it is especially common in central and southern Slovenia. In Croatia, it is the 49th most common surname, also present throughout the country, but most numerous in central Croatia. It is one of the most common surnames in two counties of Croatia.