Klanac families are Croats and they are mostly from Obrovac. According to some sources they are from Posedarja. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and Obrovac. In Posedarje in Zadar area every fifth inhabitant had the family name Klanac.
Prevalence
About 780 people with faimily name Klanac live in Croatia today, in 300 households. There were 410 of them in the middle of the past century, and their number doubled. They are located in the most of Croatian counties, in 30 cities and 29 other places, mostly in Posedarje in Zadar area (205), Zadar (135), Zagreb (115), Rijeka (50), and in Krusevo (40).
Outside Croatia
Family name Klanac is present in 11 countries worldwide. The family name "Klanac " is used by some 80 people in the United States , about 70 in Japan , and small number of people in Canada.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.