In Croatia, Pivar families are almost entirely Croats (from Koprivnica area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and in Cakovec area.
Prevalence
About 30 people with faimily name Pivar live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in threee Croatian cities and 7 other places, mostly in Djelekovec in Koprivnica area (15), Brckovljani in Dugo Selo area (<10), Osijek (<5), Nedelisce in Cakovec area (<5), and in Koprivnica (<5).
Outside Croatia
Family name Pivar (including: Pywar , Piwar ) is present in 15 countries worldwide. The family name "Pivar " is used by some 200 people in the United States , small number in Ukraine , and small number of people in Canada. "Pywar " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.