Jalžabetić families are Croats and they are mostly from Djurdjevac area. According to some sources they are from Breznicki Hum near Varazdin. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Bjelovar.
Prevalence
About 130 people with faimily name Jalžabetić live in Croatia today, in 50 households. There were 160 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 10 Croatian counties, in 10 cities and 15 other places, mostly in Zagreb (30), Djurdjevac (20), Ferdinandovac in Djurdjevac area (20), Bjelovar (10), and in Buzdohanj in Rijeka area (<10).
Outside Croatia
Family name Jalžabetić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.