Brezinščak families are Croats and they are mostly from Pregrada. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pregrada.
Prevalence
About 80 people with faimily name Brezinščak live in Croatia today, in 40 households. There were 100 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 8 Croatian counties, in 11 cities and 11 other places, mostly in Zagreb (30), Gorjakovo (<10), Ivanovo Polje in Daruvar area (<10), Palesnik in Garesnica area (<10), and in Vrbisnica in Pregrada area (<10).
Outside Croatia
Family name Brezinščak is present in three countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.